Question

102whole square using identities

Answer 1

Hey,
Ur answer is here,
(100+2)^2
Using the identity( a+b) ^2
(100)^2+2(100)(2)+(2)^2
10000+400+4
=10404
Hope it helps you ☺️

Answer 2

(102)^2 = (100+2)^2 identity- (a+b)^2 = a^2 + 2ab + b^2
(100)^2 + 2(100×2) + 2^2
=10000 + 400 + 4
=10404