Question

using suitable identities evaluate the 87 sq * 13 sq full step

Answer 1

We have to find 87^2*13^2

 = (87*13)^2                           [∵a^m *b^m = (a*b)^m]
= (1131)^2
= 1279161

Answer 2

Hello....
Answer...

$= {87}^{2} \times {13}^{2} \\ = 7569 \times 169 \\ = 1279161$
Hope it helped... ☺ ☺ ☺