\( x^2+16x+64 \) किसका पूर्ण वर्ग है?
\( x^2+16x+64 \) is the perfect square of what?
Explanation opens after your attempt
B. ( (x+8)2 )
Concept
\(64=8^2\) and \(16x=2\cdot x\cdot8\). Therefore it is ( (x+8)2 ).
Why this answer is correct
The correct answer is B. ( (x+8)2 ). \(64=8^2\) and \(16x=2\cdot x\cdot8\). Therefore it is ( (x+8)2 ).
Exam Tip
\(64=8^2\) और \(16x=2\cdot x\cdot8\) है। इसलिए यह ( (x+8)2 ) है।
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