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90 private teachers in Gabon

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90 private teachers in Gabon

Léon - Douala£16
£16Home lessons in mathematics and computer science and physics
Trusted teacher: Digital suites courses I - General A numeric sequence is an application from N to R. • Bounded sequence A sequence (Un) is bounded if there exists a real A such that, for all n, Un ≤ A. We say that A is an upper bound of the series. A sequence (Un) is reduced if there exists a real number B such that, for all n, B ≤ one. One says that B is a lower bound of the sequence. A sequence is said to be bounded if it is both increased and reduced, that is to say if it exists M such that | Un | ≤ M for all n. • Convergent suite The sequence (Un) is convergent towards l ∈ R if: ∀ε> 0 ∃n0 ∈ N ∀n ≥ n0 | un − l | ≤ ε. A sequence which is not convergent is said to be divergent. When it exists, the limit of a sequence is unique. The deletion of a finite number of terms does not modify the nature of the sequence, nor its possible limit. Any convergent sequence is bounded. An unbounded sequence cannot therefore be convergent. • Infinite limits We say that the following (un) diverges Towards + ∞ if: ∀A> 0 ∃n0∈N ∀n ≥ n0 Un≥A Towards −∞ if: ∀A> 0 ∃n0∈N ∀n≤ n0 Un≤A. • Known limitations For k> 1, α> 0, β> 0 II Operations on suites • Algebraic operations If (un) and (vn) converge towards l and l ', then the sequences (un + vn), (λun) and (unvn) respectively converge towards l + l', ll and ll '. If (un) tends to 0 and if (vn) is bounded, then the sequence (unvn) tends to 0. • Order relation If (un) and (vn) are convergent sequences such that we have a ≤ vn for n≥n0, then we have: Attention, no analogous theorem for strict inequalities. • Framing theorem If, from a certain rank, un ≤xn≤ vn and if (un) and (vn) converge towards the same limit l, then the sequence (xn) is convergent towards l. III monotonous suites • Definitions The sequence (un) is increasing if un + 1≥un for all n; decreasing if un + 1≤un for all n; stationary if un + 1 = one for all n. • Convergence Any sequence of increasing and increasing reals converges. Any decreasing and underestimating sequence of reals converges. If a sequence is increasing and not bounded, it diverges towards + ∞. • Adjacent suites The sequences (un) and (vn) are adjacent if: (a) is increasing; (vn) is decreasing; If two sequences are adjacent, they converge and have the same limit. If (un) increasing, (vn) decreasing and un≤vn for all n, then they converge to l1 and l2. It remains to show that l1 = l2 so that they are adjacent. IV Extracted suites • Definition and properties - The sequence (vn) is said to be extracted from the sequence (un) if there exists a map φ of N in N, strictly increasing, such that vn = uφ (n). We also say that (vn) is a subsequence of (un). - If (un) converges to l, any subsequence also converges to l. If sequences extracted from (un) all converge to the same limit l, we can conclude that (un) converges to l if all un is a term of one of the extracted sequences studied. For example, if (u2n) and (u2n + 1) converge to l, then (un) converges to l. • Bolzano-Weierstrass theorem From any bounded sequence of reals, we can extract a convergent subsequence. V Suites de Cauchy • Definition A sequence (un) is Cauchy if, for any positive ε, there exists a natural integer n0 for which, whatever the integers p and q greater than or equal to n0, we have | up − uq | <ε. Be careful, p and q are not related. • Property A sequence of real numbers, or of complexes, converges if, and only if, it is Cauchy SPECIAL SUITES I Arithmetic and geometric sequences • Arithmetic sequences A sequence (un) is arithmetic of reason r if: ∀ n∈N un + 1 = un + r General term: un = u0 + nr. Sum of the first n terms: • Geometric sequences A sequence (un) is geometric of reason q ≠ 0 if: ∀ n∈N un + 1 = qun. General term: un = u0qn Sum of the first n terms: II Recurring suites • Linear recurrent sequences of order 2: - Such a sequence is determined by a relation of the type: (1) ∀ n∈N aUn + 2 + bUn + 1 + cUn = 0 with a ≠ 0 and c ≠ 0 and knowledge of the first two terms u0 and u1. The set of real sequences which satisfy the relation (1) is a vector space of dimension 2. We seek a basis by solving the characteristic equation: ar2 + br + c = 0 (E) - Complex cases a, b, c If ∆ ≠ 0, (E) has two distinct roots r1 and r2. Any sequence satisfying (1) is then like : where K1 and K2 are constants which we then express as a function of u0 and u1. If ∆ = 0, (E) has a double root r0 = (- b) / 2a. Any sequence satisfying (1) is then type: - Case a, b, c real If ∆> 0 or ∆ = 0, the form of the solutions is not modified. If ∆ <0, (E) has two conjugate complex roots r1 = α + iβ and r2 = α − iβ that we write in trigonometric form r1 = ρeiθ and r2 = ρe-iθ Any sequence satisfying (1) is then of the type: • Recurrent sequences un + 1 = f (un) - To study such a sequence, we first determine an interval I containing all the following values. - Possible limit If (un) converges to l and if f is continuous to l, then f (l) = l. - Increasing case f If f is increasing over I, then the sequence (un) is monotonic. The comparison of u0 and u1 makes it possible to know if it is increasing or decreasing. - Decreasing case f If f is decreasing over I, then the sequences (u2n) and (u2n + 1) are monotonic and of contrary Made by LEON
Math · Physics · Computer science
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Meet even more great teachers. Try online lessons with the following real-time online teachers:
(55 reviews)
Marina - Amsterdam, NetherlandsRecently active£26
£26Chinese Mandarin 10 yrs experience 25 repeat students
Trusted teacher: I am a professional full-time Chinese Mandarin teacher from the North of China where Mandarin comes from. I have been teaching for about 10 years as a teacher. I have my own school and website for studying Chinese. Students' ages are from 3 to adults. They are from all over the world. You can study with me online /come to my office/ Go-home lessons. Classes can be one-to-one or group classes. I have been helping numerous people learn to speak Chinese and do exam HSK. Children always have fun learning Mandarin with me. I teach Mandarin for business purposes, traveling, YCT (for Children and teenagers), BCT (business Chinese), Conversational practice, Advanced level Chinese classes, etc. Any levels are all welcome. Classes type: Daily Chinese HSK class: Level 1--Level 6 HSKK class: HSK speaking test (Beginner to advanced) Chinese grammar class BCT / Startup Business in China: Business Chinese (Beginner to Advanced) YCT class: Level 1--Level 6 for children to teenagers Easy steps to Chinese: 3-12 years old children There are some other classes that welcome you to message me. I grew up and had educations in China. I moved to Europe for teaching Chinese in 2019 Nov. I am fun, active, very patient, and responsible. I have never come late to all of my classes for more than 10 years. For children's classes I prepare songs, videos, cartoons, teaching and explaining at the same time, They learn really fast and never feel bored when they are excited with a fun teacher and materials. I believe that interest is the best teacher. So I try my best to prepare before classes and send materials after classes to students. The classes can be taught in Chinese, English.
Mandarin chinese · Chinese
(33 reviews)
Benoit - Limoges, FranceRecently active£36
£36Private online mathematics lessons - Qualified and experienced teacher
Trusted teacher: I am a qualified and experienced mathematics tutor. Graduated from the Free University of Brussels in 2011, I started my career by teaching remedial courses in different schools in Brussels. I then specialized in individual academic support by following educational training at the Harvard Graduate School of Education. I have been giving private mathematics lessons daily for over ten years. The students who follow my private lessons benefit from personalized support. The first session is devoted to an in-depth assessment of the student's mathematical knowledge. The objective is to detect its weak points and understand their origin in order to adapt my courses to its needs. I develop a tailor-made remediation program for each of my students aimed at filling each of their gaps. Over the course of the sessions, the student builds a solid foundation for learning and regains self-confidence. At the same time, I help him acquire a work methodology that allows him to gradually become autonomous in his studies. I have a perfect knowledge of the mathematics program of the College and the High School (from the Sixth to the Terminale). During my formative years, I studied and developed many techniques that make it easier to learn math. The strength of my pedagogical approach lies in my ability to explain in a simple way everything that the student finds complicated. I am passionate about this job because it gives me the opportunity to guide dropout students on the path to success. It is a real pleasure to see them evolve and come to terms with the fantastic world of mathematics. I provide my private lessons in Limoges (at the student's home) or remotely (online via the internet). My distance learning courses take place on an interactive online whiteboard. This board is specially designed to promote student/teacher interaction on the internet. Thanks to this educational tool, my online courses are as effective as home courses. The student only needs an internet connection and a computer, tablet, or smartphone to take advantage of it.
Math · Tutoring · Learning & study skills
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(31 reviews)
Lydia - Antwerp, BelgiumRecently active£48
£48Piano Lessons in Classical and Contemporary Styles for Beginning-Advanced Levels (ages 6 and up)
Trusted teacher: Welcome to my piano teaching studio! I am a professional pianist offering private piano and theory lessons for students of all levels. As a pianist with over 14 years of teaching experience in Europe and the USA, as well as over 23 years of playing/performing, I enjoy motivating my students with music of their own preferred style and interest, whether that be classical or contemporary. My main goal is to promote a positive experience and love for music-making during the learning process. If the student is interested in a more structured approach, I guide preparation for grades 1-8 of the Associated Board of the Royal Schools of Music (ABRSM) piano and music theory exams where my students consistently receive highest marks. I also have successful experience preparing students for conservatory entrance auditions, masterclasses, and competitions in the Europe, the USA, India, and Canada. We have class concerts at Pianos Maene for interested students twice per year. I am happy to provide either a more relaxed or a serious approach to learning piano, we simply need to discuss the personal goals and preferences of each student. My own studies are as follows: I have obtained two postgraduate performance degrees at the Royal Conservatory of Antwerp: "Concertsoloist" in Piano Performance and "Chamber Music." Prior to this, I received my Bachelor and Masters degrees in Piano Performance/Music from the University of Minnesota - Minneapolis and Texas Christian University, Fort Worth (USA). My experience includes collaboration with many different instrumentalists and singers, performing as a soloist and collaborative member in several orchestras, and receiving top prizes in several competitions. While maintaining my performance and recording career in Belgium at present, I am developing my private music studio in central Antwerp and look forward to meeting new students.
Piano · Keyboard (music) · Music theory
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Only reviews of students are published and they are guaranteed by Apprentus. Rated 4.9 out of 5 based on 501 reviews.

Premium Lessons By MIT-Trained Tutor | 10+ Years Experience in IB, IGCSE, GCSE, AP, A-Levels, SAT (The Hague)
David
It is with the utmost admiration and gratitude that I extend my effulgent endorsement for David, the epitome of mathematical tutorship. His fervor for the subject and his pupils is steadfast, and David’s commitment to ensuring proficiency and comprehension is manifest in every tutorial session. His availability is most pliable, as he exhibits a constant readiness to alter his docket to accede to the necessities of his students. This adaptability is rare and precious quality, one that has played a seminal role in my time near the finals. Not only do he demonstrate devotion during his scheduled lessons time, for he is always approachable for additional guidance and support outside his hours. David’s unwavering dedication to the academic success of his students is truly remarkable and deeply appreciated by those who benefit from it. What distinguishes David is not solely his mastery in mathematics, but his amiable and cordial demeanour. He cultivates a genial and hospitable environment; and his pedagogy a harmonious blend of professionalism and conviviality. I consider myself fortunate to have availed myself of David’s instruction, and I cannot recommend him highly enough. In conclusion, if you seek a mathematics tutor, David Devidze should be your first port of call. His passion for the subject, commitment to his students, and affable personality makes him the ideal tutor for anyone seeking to enhance their mathematical understanding and aptitude. A true gem in the world of tutelage
Review by VALENTIN
Piano lessons - music theory and harmony - for any level (Budapest)
Giorgia
I started my lessons with Giorgia four months ago, and I am so glad to have found her. As a 26-year-old beginner, I was not sure if I should even try to pursue learning an instrument at this point. But now I am so glad I did! I am learning online, and I was a little unsure of how lessons via webcam would go. Despite my prejudice, everything turned out great, even though my setup is quite basic. Her approach to teaching is very creative. She is able to explain things that seem hard to put into words, and she always finds comparisons and descriptions that convey clearly little details of approach that make a lot of difference in the end result. For any difficulty I encountered, she presented methods of exercise that helped correct it. Another thing that I appreciate is that from one lesson to the next, the volume of work is challenging enough that I feel I am making progress, but not to the point that I am overwhelmed. Also, even though I am just beginning and the pieces are not that complex, she explains the musical interpretation in a way that not only helps me advance my skill but also enriches the way I understand and listen to music, and I find great value in that. Her manner of teaching is very organic, and she is a patient teacher with a warm presence. I wholeheartedly recommend her lessons!
Review by IULIANA
Private online mathematics lessons - Qualified and experienced teacher (Limoges)
Benoit
Benoit is friendly and patient and has a good sense of when to challenge and when to take a step back. My son, who is 8, really likes his lessons very much. He loves math, especially working with big numbers, and at school it isn't always possible to work on calculations as he would like. After few lessons he already learned new techniques for calculations he likes to experiment with and Benoit also managed to challenge him to try some new and more advanced things. I think this type of lessons is more tricky to prepare, at least until the teacher gets to know well the capacities and character of the child, as there are not based on the child's curriculum or homework to be done. Benoit is always open to discussion and if my son finds something too challenging, they take a step back and try another way or just agree to try another time when my son feels ready for it.
Review by DIANA

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