Question

(a+b)wholecube +(a-b) whole cube+ 6a(a square-b square)​

Answer 1

HOPE THIS HELPS U.......

Answer 2

Answer:

(a+b)³+(a - b)³+6a(a² - b²)

=[(a+b) (a²+b²+2ab)+(a - b) (a²+b²+2ab)+

(a+b) (a - b)]

=[2(a+b)+2(a - b)+2(a²+b²+2ab)]

=[2a+2b+2a - 2b+2a²+2b²+4ab]

=(4a+2a²+2b²+4ab)

=4a+(√2a+√2b)²