Question

answer for(101) × (103) = (____)^2-1

Answer 1

Answer:

It can be written as (100+1)(100+3)

Using identity 4 (x+a) (x+B)=(x)^2+(a+b)x+ab

x=100, a=1 b=3

(100)^2+(1+3)100+1*3

=10000+400+3

=10000+403=100403

100403^2-1

=100403^1

=100403

I hope it helps you