Question

Use Pascal's triangle to find the coefficients of the expanded form of the binomial (a + b)7.

Answer 1

@satellite73

Answer 2

@perl

Answer 3

@aaronq

Answer 4

@amistre64

Answer 5

highest exponent is 7, so look at 8th row pascal's triangle


so it will be like
\(\sf a^7+7(a^6)(b)+21(a^5)(b^2)+35(a^4)(b^3)+35(a^3)(b^4)+21(a^2)(b^5)+7(a)(b^6)+b^7\)

just simplify it