Question

Using suitable identity, evaluate the following:
(i) 103" (ü) 101 x 102 (iii) 9992​

Answer 1

Step-by-step explanation:

1. (100+3)² =(100)²+(3)²+2×100×3

10000+3+600

10603

2. (100+1)× (100+2)

(100)²+(1+2)100+1×2

10000+300+2

10302

i don't understand the third one