\(x^2+6x+c\) पूर्ण वर्ग त्रिपद हो और (c) धनात्मक हो तो (c) क्या है?

If \(x^2+6x+c\) is a perfect square trinomial and (c) is positive, what is (c)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

Half of (6) is (3), and \(3^2=9\). Exam tip: square half of the middle coefficient.

Step 2

Why this answer is correct

The correct answer is C. (9). Half of (6) is (3), and \(3^2=9\). Exam tip: square half of the middle coefficient.

Step 3

Exam Tip

(6) का आधा (3) है और \(3^2=9\) है। परीक्षा में आधे मध्य गुणांक का वर्ग लें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

\(x^2+6x+c\) पूर्ण वर्ग त्रिपद हो और (c) धनात्मक हो तो (c) क्या है? / If \(x^2+6x+c\) is a perfect square trinomial and (c) is positive, what is (c)?

Correct Answer: C. (9). Explanation: (6) का आधा (3) है और \(3^2=9\) है। परीक्षा में आधे मध्य गुणांक का वर्ग लें। / Half of (6) is (3), and \(3^2=9\). Exam tip: square half of the middle coefficient.

Which concept should I revise for this Mathematics MCQ?

Half of (6) is (3), and \(3^2=9\). Exam tip: square half of the middle coefficient.

What exam hint can help solve this Mathematics question?

(6) का आधा (3) है और \(3^2=9\) है। परीक्षा में आधे मध्य गुणांक का वर्ग लें।