यदि \(a^2-8a+16\) को दृश्य रूप में वर्ग बनाना हो, तो वर्ग की भुजा क्या होगी?
If \(a^2-8a+16\) is to be shown visually as a square, what will be the side of the square?
Explanation opens after your attempt
B. ( a-4 )
Concept
\(16=4^2\) and \(-8a=-2\cdot a\cdot4\). In exams, identify the subtractive side from the negative middle term.
Why this answer is correct
The correct answer is B. ( a-4 ). \(16=4^2\) and \(-8a=-2\cdot a\cdot4\). In exams, identify the subtractive side from the negative middle term.
Exam Tip
\(16=4^2\) और \(-8a=-2\cdot a\cdot4\) है। परीक्षा में ऋण मध्य पद से घटाव वाली भुजा पहचानें।
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