Medium Mathematics Quadratic Equations Class 10 Level 35

\(x^2+2x-24=0\) को पूर्ण वर्ग विधि से हल करने में सही चरण कौनसा है?

Which step is correct in solving \(x^2+2x-24=0\) by completing square?

Explanation opens after your attempt
Correct Answer

A. ((x+1)2=25)

Step 1

Concept

Adding (1) to \(x^2+2x=24\) gives ((x+1)2=25). In exams, add the square of half the coefficient.

Step 2

Why this answer is correct

The correct answer is A. ((x+1)2=25). Adding (1) to \(x^2+2x=24\) gives ((x+1)2=25). In exams, add the square of half the coefficient.

Step 3

Exam Tip

\(x^2+2x=24\) में (1) जोड़ने पर ((x+1)2=25) मिलता है। परीक्षा में आधे गुणांक का वर्ग जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

\(x^2+2x-24=0\) को पूर्ण वर्ग विधि से हल करने में सही चरण कौनसा है? / Which step is correct in solving \(x^2+2x-24=0\) by completing square?

Correct Answer: A. ((x+1)2=25). Explanation: \(x^2+2x=24\) में (1) जोड़ने पर ((x+1)2=25) मिलता है। परीक्षा में आधे गुणांक का वर्ग जोड़ें। / Adding (1) to \(x^2+2x=24\) gives ((x+1)2=25). In exams, add the square of half the coefficient.

Which concept should I revise for this Mathematics MCQ?

Adding (1) to \(x^2+2x=24\) gives ((x+1)2=25). In exams, add the square of half the coefficient.

What exam hint can help solve this Mathematics question?

\(x^2+2x=24\) में (1) जोड़ने पर ((x+1)2=25) मिलता है। परीक्षा में आधे गुणांक का वर्ग जोड़ें।

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