Question

Evaluate the following product without multiplying directly:
(i) 103 x 107
(ii)95 x 96
(iii) 104 x 96

Answer 1

Using Algebraic identities,

i)103 X 107=(100+3)(100+7) =11021

ii)Same process as (i)

iii)104 X 96=(100+4)(100-4)=(100)²-(4)²=10000-16=9984