Question

(a + b)2 - (a - b)2=?​

Answer 1

Answer:

(a+b)2_a2+b2+2ab

(a-b)2_a2-b2-2ab

Answer 2

Answer:

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

=> a^2 +b^2+ 2ab -a^2 -b^2 + 2ab

=> 4ab

Step-by-step explanation:

First we open both the squares and then subtract.

Hope it helps