((x-a)2) में स्थिर पद (36) है और (a>0) है। (x) का गुणांक क्या होगा?
In ((x-a)2), the constant term is (36) and (a>0). What will be the coefficient of (x)?
Explanation opens after your attempt
C. (-12)
Concept
From \(a^2=36\), (a=6), and the middle term is (-2ax=-12x). Exam tip: the middle term is negative in a subtraction square.
Why this answer is correct
The correct answer is C. (-12). From \(a^2=36\), (a=6), and the middle term is (-2ax=-12x). Exam tip: the middle term is negative in a subtraction square.
Exam Tip
\(a^2=36\) से (a=6) और मध्य पद (-2ax=-12x) होगा। परीक्षा में घटाव वाले वर्ग का मध्य पद ऋण होता है।
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