Question

(a−b)2=a2+b2−2ab
how?​

Answer 1

Answer:

(a-b) ² =(a-b) ×(a-b) =a²+b²-2ab.

Answer 2

Answer:

a2 +b2 +2ab =(a+b)2

similarly, (a-b)2 =a2 -2ab+b2

Step-by-step explanation:

hope this is what u were asking about.

thanks