Question

Solve this by using identity (a+b)³ =
(7x\3 + 8y\2)³

Answer 1

a= 7x/3 b= 4y or 8y/2
(a+b)^3 = a^3 + b^3 + 3a^2b + 3ab^2
Substitute and you will be able to get the answer

Answer 2

it is right answer of this question.