Math, asked by samtronumar188, 1 year ago

Sumplify (a+b)³ - (a-b)³ - 6b (a²-b²)​

Answers

Answered by vaibhavshukla97
1

Step-by-step explanation:

(a+b)³-(a-b)³-6b(a²-b²)

=a³+b³+3ab(a+b)-[a³-b³-3ab(a-b)]-6(a²-b)²

=a³+b³+3ab(a+b)-a³+b³+3ab(a-b)-6(a²-b²)

=2b³+3a²b+3ab²+3a²b-3ab²-6(a+b)(a-b)

=2b³+6a²b-6(a+b)(a-b)

hope this helps you

Similar questions