Question

Evaluate the value of (103)^2 using formula. (Ans: 1092727) How do you get that? What formula should I use?

Answer 1

Answer:

(103)^2 = 10609

Step-by-step explanation:

$= (103)^3\\\\= (100+3)^2\\\\= (100)^2 + (2*100*3) + (3)^2\\\\Using~formula~(a+b)^2=a^2+2ab+b^2\\\\= 10000 + 600 + 9\\\\= 10609$

Hope it helps you mate..

:)