यदि क्षेत्र मॉडल में \(x^2+8x+16\) दिखता है तो यह किसका पूर्ण वर्ग है?
If an area model shows \(x^2+8x+16\), whose perfect square is it?
Explanation opens after your attempt
B. ((x+4)2)
Concept
\(16=4^2\) and \(8x=2\cdot4x\). Therefore it is ((x+4)2).
Why this answer is correct
The correct answer is B. ((x+4)2). \(16=4^2\) and \(8x=2\cdot4x\). Therefore it is ((x+4)2).
Exam Tip
\(16=4^2\) और \(8x=2\cdot4x\) है। इसलिए यह ((x+4)2) है।
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