Question

A+B=10 A-B=11 A square - B square=?

Answer 1

Hey mate !!

We know that,
(a+b)(a-b) = a^2-b^2
10*11 = a^2-b^2
=> a^2-b^2 = 110

Hope this helps ^-^

Answer 2

Given,

A+B=10

A-B=11

Now,

We know that,

A^2-B^2=(A+B)(A-B)

=10×11

=110.