\(a^2+2a+1-b^2-2bc-c^2\) को कैसे गुणनखंडित करेंगे?
How will you factorise \(a^2+2a+1-b^2-2bc-c^2\)?
Explanation opens after your attempt
Correct Answer
A. ((a+1-b-c)(a+1+b+c))
Concept
This is ((a+1)2-(b+c)2). Difference of squares gives two factors.
Why this answer is correct
The correct answer is A. ((a+1-b-c)(a+1+b+c)). This is ((a+1)2-(b+c)2). Difference of squares gives two factors.
Exam Tip
यह ((a+1)2-(b+c)2) है। वर्गों के अंतर से दो गुणनखंड मिलते हैं।
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