(a+b)^2)-(a-b)^2=____________
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Answered by
1
u mean to ask
[(a+b)²-(a-b)²] =?
=[(a²+b²+2ab)-(a²+b²-2ab)]
=(a²+b²+2ab-a²-b²+2ab)
or
=(a²-a²+b²-b²+2ab+2ab)
=4ab
Hence 4ab is the correct answer.
HOPE THIS WILL HELP U.
Answered by
2
Step-by-step explanation:
(a+b)^2=a^2+b^2+2ab
(a-b)^2=a^2+b^2-2ab
a^2-a^2+b^2-b^2+2ab+2ab=4ab
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