Question

if a + b is equal to 2 find the value of a cube plus b cube + 6 a b​

Answer 1

Answer:

a^3+b^3+6ab=8

Step-by-step explanation:

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

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

8=a^3+b^3+6ab