Question

Evaluate using identities (1) 52²and (2) (9.7)² , pls answer this question with neat explaination

Answer 1

Answer:

Step-by-step explanation:

1. (52)^2

=(50+2)^2 (a+b)^2=a^2+2ab+b^2

=(50)^2+2(50×2)+(2)^2

=2500+200+4

=2704

2. (9.7)^2

=(9+0.7)^2

=(9)^2+2(9×0.7)+(0.7)^2

=81+12.6+0.49

=94.09

Hope it helps ;)