Question

Factorize :
$27 {a }^{3} + 27 {a}^{2} b + {b}^{3 } + 3a {b}^{2}$
​

Answer 1

hey mate

here is your answer.

27a^3+27a^2b+b^3+3ab^2

=(3a)^3+(b)^3+27a^2b+3ab^2

=(3a)^4+(b)^3+3×3a×b(3a+b)

=(3a+b)^3.

hope it helps u....