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# Precalculus

Khan Academy, , Prof. Salman Khan

Updated On 02 Feb, 19

##### Overview

Introduction to limits - Limit examples w/ brain malfunction on first prob - Squeeze theorem (sandwich theorem) - Proof: lim (sin x)/x - More limits - Sequences and Series - Permutations - Combinations - Binomial Theorem - Binomial theorem combinatorics connection - Introduction to interest - Introduction to compound interest and e - Exponential Growth - Polar coordinates - Parametric equations - Introduction to function inverses - Function inverse example - Basic complex analysis - Exponential form to find complex roots - Complex conjugates - Series sum example - Complex determinant example - 2003 AIME II problem 8 - Logarithmic scale - Vi and Sal explore how we think about scale - Vi and Sal talk about the mysteries of Benford's law - Benford's law explanation (sequel to mysteries of Benford's law

## Lecture 1: Introduction to limits

4.1 ( 11 )

###### Lecture Details

Introduction to limits

Differential calculus on Khan Academy Limit introduction, squeeze theorem, and epsilon-delta definition of limits.

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