Question

find
(1) (a+b)(a+b)
(2)(a+b)(a+b)(a+b)
(3)(a-b)(a-b)(a-b) by using the result of (2)​

Answer 1

Answer:

1) (a+b)²=a²+2ab+b²

2) (a+b)³= a³+b³+3ab²+3a²b

3) (a-b)³= a³-b³-3ab(a-b)

Answer 2

Answer:

1.)(a+b)^²

2.)(a+b)^³

3.)(a+b)^³

Step-by-step explanation:

Hope this answer will be helpful