Question

expand the number using cubic identities : ( 3+m )³​

Answer 1

Answer:

(2a−3b)

3

=(2a)

3

+(−3b)

3

+3(2a)(−3b)(2a−3b)

=8a

3

−27b

3

−18ab(2a−3b)

=8a

3

−27b

3

−36a

2

b+54ab

2

Answer 2

Answer:

(3+m)

3×3×3+m×m×m

27+m cube