वर्ग मॉडल में \(x^2-6x+9\) दिखता है। यह किस भुजा वाले वर्ग का क्षेत्रफल है?
A square model shows \(x^2-6x+9\). It is the area of a square with which side?
Explanation opens after your attempt
B. (x-3)
Concept
Since \(9=3^2\) and the middle term is (-6x), the side is (x-3). Exam tip: identify subtraction from the negative middle term.
Why this answer is correct
The correct answer is B. (x-3). Since \(9=3^2\) and the middle term is (-6x), the side is (x-3). Exam tip: identify subtraction from the negative middle term.
Exam Tip
\(9=3^2\) और बीच का पद (-6x) है इसलिए भुजा (x-3) है। परीक्षा में ऋणात्मक बीच पद से घटाव पहचानें।
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