Infinite Sequences: Limits, Squeeze Theorem, Fibonacci Sequence & Golden Ratio + MORE

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mes

Published on Jul 09, 2020
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In this video, I go over an extremely extensive tutorial on Sequences as part of my new video series on Sequences and Series. Sequences are ordered lists of numbers where each term is categorized by its value and the integer corresponding to its place or order in the list. Series are summations of sequences; which I have shown in my earlier videos in finding areas and hence integrals of functions.

The topics I cover in this video include: Sequences and Notation, Definition and Precise Definition, Infinite Limits, Monotonic and Bounded Sequences, as well as the famous Fibonacci Sequence and its relationship with the also very famous Golden Ratio. And at the end of this video I go over a brief mainstream history overview of Leonardo Fibonacci. The Fibonacci sequence is the sequence in which the initial 2 terms are 1 and 1 (or 0 and 1 in modern computing) and then the terms that follow are just the summation of the previous two terms. The limit of the ratio of consecutive Fibonacci terms approach the Golden Ratio (φ) (which is the ratio of any two numbers such that it is the same as the ratio of their summation to the larger number). Fibonacci and Golden numbers/sequences/ratios/spirals/angles/etc. appear very often in all aspect of life from art, nature, design, finance, and even advertising! #AmazingStuff

Here is a list of the topics covered and their start times in the video:

  1. @ 55:54 - Introduction to Sequences and Series
  2. @ 9:25 – Sequences and Notation
  3. @ 11:06 - Examples 1 to 3
  4. @ 27:30 – Limit of a Sequence
  5. @ 33:59 – Definition 1: Limit of a Sequence
  6. @ 37:38 – Definition 2: Precise Definition of a Sequence
  7. @ 47:33 – Theorem 1
  8. @ 52:26 – Definition 3: Infinite Limits of Sequences at Infinity
  9. @ 58:17 – Limit Laws for Sequences
  10. @ 1:01:39 – Squeeze Theorem for Sequences
  11. @ 1:08:10 – Theorem 2
  12. @ 1:08:51 - Examples 4 to 7
  13. @ 1:18:51 – Theorem 3
  14. @ 1:19:48 – Examples 8 to 9
  15. @ 1:26:46 – Creating Graphs of Sequences
  16. @ 1:29:33 – Example 10
  17. @ 1:41:46 – Definition 4: Monotonic Sequences
  18. @ 1:43:42 – Examples 11 and 12
  19. @ 1:54:08 – Definition 5: Bounded Sequences
  20. @ 1:59:31 – Completeness Axiom
  21. @ 2:03:43 - Monotonic Sequence Theorem
  22. @ 2:09:27 – Example 13: Recursion and Mathematical Induction
  23. @ 2:22:27 – Exercise 1: Convergence
  24. @ 2:33:20 - Exercise 2: Proof of Theorem 2
  25. @ 2:39:41 - Exercise 3: Proof of Theorem 3
  26. @ 2:48:23 - Exercise 4: Fibonacci Sequence
  27. @ 3:04:17 – Mainstream History of Fibonacci
  28. @ 3:12:04 – Overview of Fibonacci Numbers
  29. @ 3:17:33 – Overview of the Golden Ratio
  30. @ 3:21:53 – Relationship Between Fibonacci Sequence and Golden Ratio
  31. @ 3:27:06 – Golden Angle/Spiral and Approximations with Fibonacci Spiral
  32. @ 3:31:30 – Fibonacci Numbers and Golden Ratio in Nature, Art, Design, & MORE! #Amazing

Stay tuned for my next super long math video!

Download the notes in my video: https://1drv.ms/b/s!As32ynv0LoaIh68vMw9e1A75d63O3w

View video notes on the Hive blockchain: https://peakd.com/mathematics/@mes/infinite-sequences-limits-squeeze-theorem-fibonacci-sequence-and-golden-ratio-more

Related Videos:

Limits: https://www.youtube.com/playlist?list=PLFE39AF0D7E0651AC
Areas and Summation: https://www.youtube.com/playlist?list=PLai3U8-WIK0E6biFIz0glhAnUwE1qaviI
Parametric Equations and Curves: https://www.youtube.com/playlist?list=PLai3U8-WIK0H0AMIZV8HU3LVxSSf_Y9pi .


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