Question

what is the formula for (a+b) whole raise to the power 4

Answer 1

(a)4 + 4(ab) + (b)4......

Answer 2

(a+b)^4 = (a+b)^2 * (a+b)^2
= (a^2+b^2+2ab)(a^2+b^2+2ab)
=a^4+b^4+4a^3b+4ab^3+6a^2b^2