Question

Evaluate using suitable identity : 65 x 65 + 2 x 65 x 75 + 75 x 75

Answer 1

Answer:

(65+75) square

(14o) square

19600

Answer 2

Answer:

(65+75)²

140²

Step-by-step explanation:

a²+2ab+b²=(a+b)²

140²= 19600