(a+b)square - (a-b)square is equal to . option a. 2a square +2b square b. 2ab c. -4ab d. +4ab
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Answered by
1
Given (a + b)^2 - (a - b)^2
= > a^2 + b^2 + 2ab - (a^2 + b^2 - 2ab)
= > a^2 + b^2 + 2ab - a^2 - b^2 + 2ab
= > 4ab.
Hope this helps!
= > a^2 + b^2 + 2ab - (a^2 + b^2 - 2ab)
= > a^2 + b^2 + 2ab - a^2 - b^2 + 2ab
= > 4ab.
Hope this helps!
sabrina789:
thank you
:-)
Answered by
3
answer will be option d because (a^2+2ab+b^2)-(a^2-2ab+b^2)
after evaluating we will get 4 ab.....
MARK AS BRAINLIEST IF YOU LIKED.....
after evaluating we will get 4 ab.....
MARK AS BRAINLIEST IF YOU LIKED.....
thanks
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