Question

Evaluate using suitable algebraic identities
a) 325 into 325 - 25 into 25
b) (0.98)^2

Answer 1

a) 325×325 - 25×25

= 13×13×25×25-25×25

= 625(169-1)

= 105000

b)0.98²

= 0.98×0.98

= 0.9604

HOPE IT WAS HELPFUL