Question

the common factor between (a+b)2and a2- d2​

Answer 1

Step-by-step explanation:

we know that,

(a+b)²= a²+b²+2ab

a²+b²= (a+b)(a-b)

(a+b)(a-b)= a²-ab+ab-b²

a²+b²+2ab=a²-ab+ab-b²

then, cross multiple of both equation

then , 2ab is the correct answer