what is (a-b) + (a+b) ?
Answers
Answered by
1
Its (a-b) ×(a+b) =a^2-b^2
It is an identity
Hope it helps
It is an identity
Hope it helps
Answered by
1
when u open the btacket then
a-b+a+b=0
a-b+a+b=0
Similar questions