Question

Soma dos coeficientes de (3x+2y)^5

Answer 1

$243 {x}^{5} + 810 {x}^{4} y + 1080 {x}^{3} {y}^{2} + 720 {x}^{2} {y}^{3} + 240x {y}^{4} + 32 {y}^{5}$

Answer 2

(3x+2y)^5 = (3x+2y)²+(3x+2y)²+(3x+2y)

3x²+2•3x•2y+2y²+3x²+2•3x•2y+2y²+3x²+2y.