simplify
1.(a+b)2 -(a-b)2
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Answered by
1
Answer:4ab
Step-by-step explanation:
(a+b)²-(a-b)²
(a²+b²+2ab)-(a²+b²-2ab)
a²+b²+2ab-a²-b²+2ab
4ab
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Answered by
1
Step-by-step explanation:
(a+b)² and (a-b)² are the two famous identities
(a+b)² ,(a-b)²
a²+2ab+b² , (a²-2ab+b²)
a²+2ab+b²-a²+2ab-b²
=4ab
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