((a+b)2-4c-2) का सही गुणनखंड कौन-सा है?
Which is the correct factorisation of ((a+b)2-4c-2)?
Explanation opens after your attempt
Correct Answer
A. ((a+b-2c)(a+b+2c))
Concept
It is in the form (A-2-(2c)2). In exams, treat the whole ((a+b)) as one term.
Why this answer is correct
The correct answer is A. ((a+b-2c)(a+b+2c)). It is in the form (A-2-(2c)2). In exams, treat the whole ((a+b)) as one term.
Exam Tip
यह (A-2-(2c)2) के रूप में है। परीक्षा में पूरे ((a+b)) को एक पद मानें।
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