\(x^2+2x+1\) किस पहचान से जुड़ा है?
Which identity is related to \(x^2+2x+1\)?
Explanation opens after your attempt
A. ((x+1)2)
Concept
This is the form (a-2+2ab+b-2=(a+b)2). Check the sign of the middle term in identities.
Why this answer is correct
The correct answer is A. ((x+1)2). This is the form (a-2+2ab+b-2=(a+b)2). Check the sign of the middle term in identities.
Exam Tip
यह (a-2+2ab+b-2=(a+b)2) का रूप है। पहचान में मध्य पद के चिह्न को देखें।
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