Question

Using Identity ,evaluate 102 x 105

Answer 1

Answer:

Step-by-step explanation:

(100+2)(100+5)

=10000 + 200 + 500 + 10

=10710

Answer 2

Answer:

(100+2) (100+5)

= (100)² + (2+5)100+(2×5) ( using identity :(x+a) (x+b)=x²+(a+b)x+ab

=10000+700+10

=10710 ans