( a+b) square - (a-b) square
Answers
Answered by
6
Question:
(a+b)²-(a-b)²
Answer:
(a+b)²-(a-b)²
=a²+2ab+b²-a²+2ab-b²
=4ab
Answered by
1
Answer:
4ab
Step-by-step explanation:
(a+b)^2 - ( a-b)^2
= [(a+b)+(a-b)][(a+b)-(a-b)]
=[2a][(a+b) -a+b]
=[2a][2b]
=4ab
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