\(x^2-14x+c\) पूर्ण वर्ग हो, तो (c) का मान क्या होगा?

If \(x^2-14x+c\) is a perfect square, what will be the value of (c)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (49)

Step 1

Concept

Half of (-14) is (-7), and ((-7)2=49). In exams, even if the sign is negative, the square is positive.

Step 2

Why this answer is correct

The correct answer is A. (49). Half of (-14) is (-7), and ((-7)2=49). In exams, even if the sign is negative, the square is positive.

Step 3

Exam Tip

(-14) का आधा (-7) है और ((-7)2=49) है। परीक्षा में चिह्न चाहे ऋण हो, वर्ग धनात्मक होता है।

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Mathematics Answer, Explanation and Revision Hints

\(x^2-14x+c\) पूर्ण वर्ग हो, तो (c) का मान क्या होगा? / If \(x^2-14x+c\) is a perfect square, what will be the value of (c)?

Correct Answer: A. (49). Explanation: (-14) का आधा (-7) है और ((-7)2=49) है। परीक्षा में चिह्न चाहे ऋण हो, वर्ग धनात्मक होता है। / Half of (-14) is (-7), and ((-7)2=49). In exams, even if the sign is negative, the square is positive.

Which concept should I revise for this Mathematics MCQ?

Half of (-14) is (-7), and ((-7)2=49). In exams, even if the sign is negative, the square is positive.

What exam hint can help solve this Mathematics question?

(-14) का आधा (-7) है और ((-7)2=49) है। परीक्षा में चिह्न चाहे ऋण हो, वर्ग धनात्मक होता है।