Question

12. (a + b)2 - (a-b)2 =
4ab
O4 (a+b)
ОООО
O2(а? - b2)
O2(a + b?)​

Answer 1

Answer:

(a+b)2 - (a-b)2

= (a2 + b2 + 2ab ) - ( a2 + b2 - 2ab)

= a2 + b2 + 2ab -a2 - b2 + 2ab

= 4ab