\(x^2+6x+9\) किसका वर्ग है?
\(x^2+6x+9\) is the square of what?
Explanation opens after your attempt
B. (x+3)
Concept
\(9=3^2\) and \(6x=2\cdot3x\). Therefore it is ((x+3)2).
Why this answer is correct
The correct answer is B. (x+3). \(9=3^2\) and \(6x=2\cdot3x\). Therefore it is ((x+3)2).
Exam Tip
\(9=3^2\) और \(6x=2\cdot3x\) है। इसलिए यह ((x+3)2) है।
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