Question

One of the factor of the expression (a + b)^3 - (a - b)^3 is --
(A) a
(B) 3a^2 - b
(C) 2b
(D) (a + b) (a - b)​

Answer 1

Answer:

a3+b3+3a2b+3ab2-a3+b3+3a2b-3ab2

=2b3+6a2b

=2b(b2+3a2)

Answer 2

Answer:

3a^2-b is the answer

Step-by-step explanation: