Question

find the product of the numbers by representing them as the difference of two squares​

Answer 1

Answer:

13*15

=(14-1)(14+1)

=14^2+1^2

=195+1

=196

Step-by-step explanation:

Easy steps.

Answer 2

Answer:

i)26²-1²

ii)33²-1²

iii)67²-1²

iv)96²-1²

Step-by-step explanation:

We know that:-(a+b)(a-b)=a²-b²

i)25×27=(26-1)(26+1)=26²-1²

ii)32×34=(33-1)(33+1)=33²-1²

In the same way,

iii)67²-1²

iv)96²-1²