Factorise
(l +m)^2 – (l -m)^2
Answers
Answered by
5
Answer:
4lm
Step-by-step explanation:
A simple question with a very simple explaination.
Using the identity :-
=> (a+b)(a-b)= a²-b²
Here,
=> a = l+m
=> b= l-m
So,
=> (l+m+l-m)(l+m-l+m)
=> 2l x 2m
=> 4lm.
Ans.
Answered by
1
Answer:
4lm......................
Similar questions