दृश्य मॉडल में \(x^2-10x+25\) किस वर्ग की भुजा को दिखाता है?
In a visual model, \(x^2-10x+25\) shows the side of which square?
Explanation opens after your attempt
C. (x-5)
Concept
Since \(25=5^2\) and \(-10x=-2\times x\times5\), the side is (x-5). Exam tip: look at the negative middle term.
Why this answer is correct
The correct answer is C. (x-5). Since \(25=5^2\) and \(-10x=-2\times x\times5\), the side is (x-5). Exam tip: look at the negative middle term.
Exam Tip
\(25=5^2\) और \(-10x=-2\times x\times5\), इसलिए भुजा (x-5) है। परीक्षा में ऋणात्मक बीच का पद देखें।
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