यदि किसी वर्ग मॉडल का कुल क्षेत्र \(x^2+14x+49\) है, तो उसकी भुजा क्या होगी?
If the total area of a square model is \(x^2+14x+49\), what will be its side?
Explanation opens after your attempt
C. \(x+7\)
Concept
\(49=7^2\) and \(14x=2\times7\times x\). Exam tip: identify the side from the square root of the last term.
Why this answer is correct
The correct answer is C. \(x+7\). \(49=7^2\) and \(14x=2\times7\times x\). Exam tip: identify the side from the square root of the last term.
Exam Tip
\(49=7^2\) और \(14x=2\times7\times x\) है। परीक्षा में अंतिम पद की वर्गमूल से भुजा पहचानें।
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