Question

prove :- (a-b)2 =a2-2ab+b2​

Answer 1

Step-by-step explanation:

$(a - b) {}^{2} = a {}^{2} - 2ab + b {}^{2}$

Answer 2

Step-by-step explanation:

(a-b)(a-b)=a(a-b)-b(a-b)

= a²-ab-ab+b²

= a²-2ab+b²