( (2x-5)2 ) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in ( (2x-5)2 )?
Explanation opens after your attempt
B. (4)
Concept
((2x)2=4x-2), so the coefficient of \(x^2\) is (4). Exam tip: square the coefficient too.
Why this answer is correct
The correct answer is B. (4). ((2x)2=4x-2), so the coefficient of \(x^2\) is (4). Exam tip: square the coefficient too.
Exam Tip
((2x)2=4x-2) इसलिए \(x^2\) का गुणांक (4) है। परीक्षा में गुणांक का भी वर्ग करें।
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