Easy Mathematics Quadratic Equations Class 10 Level 34

पूर्ण वर्ग विधि में \(x^2-10x+7=0\) के लिए किस संख्या का प्रयोग होगा?

In completing square method for \(x^2-10x+7=0\), which number will be used?

Explanation opens after your attempt
Correct Answer

A. (25)

Step 1

Concept

Half of (-10) is (-5), and ((-5)2=25). In exams, add the square of half the coefficient.

Step 2

Why this answer is correct

The correct answer is A. (25). Half of (-10) is (-5), and ((-5)2=25). In exams, add the square of half the coefficient.

Step 3

Exam Tip

(-10) का आधा (-5) है और ((-5)2=25) होता है। परीक्षा में आधे गुणांक का वर्ग जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

पूर्ण वर्ग विधि में \(x^2-10x+7=0\) के लिए किस संख्या का प्रयोग होगा? / In completing square method for \(x^2-10x+7=0\), which number will be used?

Correct Answer: A. (25). Explanation: (-10) का आधा (-5) है और ((-5)2=25) होता है। परीक्षा में आधे गुणांक का वर्ग जोड़ें। / Half of (-10) is (-5), and ((-5)2=25). In exams, add the square of half the coefficient.

Which concept should I revise for this Mathematics MCQ?

Half of (-10) is (-5), and ((-5)2=25). In exams, add the square of half the coefficient.

What exam hint can help solve this Mathematics question?

(-10) का आधा (-5) है और ((-5)2=25) होता है। परीक्षा में आधे गुणांक का वर्ग जोड़ें।

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