Question

if a+b+2=0,then find the value of a3+b3+8​

Answer 1

Answer:

Given :

a+b=2

(a+b)

3

=2

3

a

3

+b

3

+3ab(a+b)=8

a

3

+b

3

+3ab(2)=8

a

3

+b

3

+6ab−8=0

Answer 2

Answer:

above answer is correct