Introduction to Calculus 3: Infinite Sequences and Series

Introduction to Calculus 3: Infinite Sequences and Series, Investigate infinite sequences and test for convergence of infinite series.

Course Description


This course, Introduction to Calculus 3: Infinite Sequences and Series, includes the first three sections of my complete course in Calculus 3, including video, notes from whiteboard during lectures, and practice problems (with solutions!). I also show every single step in examples and theorems. The course is organized into the following topics:

Section 2: Infinite Sequences

  • Sequences
  • Convergence of a Sequence
  • Monotonic and/or Bounded Sequence

Section 3: Infinite Series

  • Series
  • Geometric Series
  • Telescoping Series
  • Harmonic Series
  • 1. Test for Divergence (to be updated)
  • 2. Integral Test (to be updated)
  • Estimating the Sum of a Series (to be updated)
  • 3. Comparison Test (to be updated)
  • 4. Limit Comparison Test (to be updated)
  • 5. Alternating Test (to be updated)
  • Estimating the Sum of an Alternating Series (to be updated)
  • Absolute Convergence (to be updated)
  • 6. Ratio Test (to be updated)
  • 7. Root Test (to be updated)

Section 4: Power Series

  • Power Series (to be updated)
  • Radius of Convergence and Interval of Convergence (to be updated)
  • Representations of Functions as Power Series (to be updated)
  • Taylor Series and Maclaurin Series (to be updated)
  • Taylor’s Inequality (to be updated)
  • Method 1: Direct Computation (to be updated)
  • Method 2: Use Term-by-term Differentiation and Integration (to be updated)
  • Method 3: Use Summation, Multiplication, and Division of Power Series (to be updated)
  • Applications of Taylor Polynomials (to be updated)


Videos: I start each topic by introducing and explaining the concept. I share all my solving-problem techniques using examples. I show a variety of math issue you may encounter in class and make sure you can solve any problem by yourself.

Notes: In each section, you will find my notes as downloadable resource that I wrote during lectures. So you can review the notes even when you don’t have internet access (but I encourage you to take your own notes while taking the course!).

Assignments: After you watch me doing some examples, now it’s your turn to solve the problems! Be honest and do the practice problems before you check the solutions! If you pass, great! If not, you can review the videos and notes again.


#1: Downloadable lectures so you can watch whenever and wherever you are.

#2: Downloadable lecture notes and some extra notes so you can review the lectures if you don’t have a device to watch or listen to the recordings.

#3: Three complete problem sets with solutions (1 at the end of each section) for you to do more practices.

#4: Step-by-step guide to help you solve problems.

See you inside the course!

– Gina 🙂

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