Question

a+b ka whole cube identity

Answer 1

Hey,

(a+b)³=a³+b³+3a²b+3ab²

HOPE IT HELPS YOU:-))

Answer 2

$(a + b) {}^{3} = {a}^{3} + 3 {a}^{2} b \: + 3a {b}^{2} + {b}^{3}$
OR

$(a + b) {}^{3} = {a}^{3} + {b}^{ 3} + 3ab \: (a + b )$