Question
(a+b+c)(a+b-c) = ___________.
Answer: Option D
:
D
(a+b+c)(a+b−c)=
(a2+ab−ac+ab+b2−bc+ac+bc−c2)
=(a2+2ab+b2−c2)
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:
D
(a+b+c)(a+b−c)=
(a2+ab−ac+ab+b2−bc+ac+bc−c2)
=(a2+2ab+b2−c2)
Was this answer helpful ?
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