Question

If a – b = -8 and ab = - 12 , then find value of a ^3 – b ^3​

Answer 1

Answer:

a³-b³=(-224)

Step-by-step explanation:

a-b=(-8)

Cubing on both the sides

(a-b)³=(-8)³

a³-b³-3ab(a-b)=(-8)³

a³-b³-3(-12)(-8)=(-8)³

a³-b³-288=(-512)

a³-b³=(-512)+288

a³-b³=(-224)