Question

find square using identity (102)^2​

Answer 1

Answer:

10404

Step-by-step explanation:

( 102 )^2

(100+2)^2

identity = a^2 + b^2 + 2ab

here a = 100 and b = 2

= (100)^2 + (2)^2 + 2 × 100 × 2

= 10000 + 4 + 400

= 10404