Binomial Expansion Flashcards by Josh Connor

Q

Binomial coefficient

A

nCr = n!/r!(n-r)!

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Q

Binomial expansion formula, (1+x)^k =

A

1 + nx + n(n-1)x^2 / 2! + n(n-1)(n-2)x^3 / 3! for mod(x) < 1

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Q

Binomial expansion formula, (a+bx)^n =

A

a^n(1+bx/a)^n for mod(bx/a) < 1

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