Question

write the
identity will be used to find 99 x 101?​

Answer 1

Answer:

Distributive

Step-by-step explanation:

Distributivity identity will be used to find 99x100

Answer 2

Answer:

It can be broke Iike

99= 100-1

101=100+1

So,

Now, (100-1) (100+1)

By using Identity= (x+y) x-y)

x^2-y^2

Here we have x=100 and y=1

Then,

(100)^2 - (1)^2

10000-1

9999 Ans.