Math, asked by ranjanasingh462, 9 months ago

(a+b)^2)-(a-b)^2=____________​

Answers

Answered by jhalakagrawal1234
1

u mean to ask

[(a+b)²-(a-b)²] =?

=[(++2ab)-(+-2ab)]

=(++2ab-a²-b²+2ab)

or

=(-a²+-b²+2ab+2ab)

=4ab

Hence 4ab is the correct answer.

HOPE THIS WILL HELP U.

Answered by studious29
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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