Question

Evaluate 101 x 99 using appropriate identities​

Answer 1

Answer:

=101×99

=(100+1)(100-1)

using Identity (a+b)(a-b)=a^2-b^2

=100^2-1^2

=10000-1

=9999

Answer 2

Hi mate!!!!!!!!!

101 x 99

(101 + 1) (101 - 1)

By using the propriety (a+b)(a-b)=a^2 - b^2

(100)^2 - 1

10000 - 1

9999

Hope this will help you.