# Precalculus

Khan Academy, , Prof. Salman Khan

Updated On 02 Feb, 19

Khan Academy, , Prof. Salman Khan

Updated On 02 Feb, 19

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

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Compounding 100% annual interest continuously over a year converges to e (2.71...)

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Algebra II on Khan Academy Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. Well again touch on systems of equations, inequalities, and functions...but well also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Dont let these big words intimidate you. Were on this journey with you!

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Sam

Sep 12, 2018

Excellent course helped me understand topic that i couldn't while attendinfg my college.

Dembe

March 29, 2019

Great course. Thank you very much.