Easy Mathematics Quadratic Equations Class 10 Level 31

निम्न में से किस समीकरण का एक मूल (0) है?

Which of the following equations has one root (0)?

Explanation opens after your attempt
Correct Answer

A. \(x^2+5x=0\)

Step 1

Concept

(x-2+5x=x(x+5)) so (x=0) is one root. If the constant term is (0) check for a zero root.

Step 2

Why this answer is correct

The correct answer is A. \(x^2+5x=0\). (x-2+5x=x(x+5)) so (x=0) is one root. If the constant term is (0) check for a zero root.

Step 3

Exam Tip

(x-2+5x=x(x+5)) इसलिए (x=0) एक मूल है। अचर पद (0) हो तो शून्य मूल की संभावना देखें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

निम्न में से किस समीकरण का एक मूल (0) है? / Which of the following equations has one root (0)?

Correct Answer: A. \(x^2+5x=0\). Explanation: (x-2+5x=x(x+5)) इसलिए (x=0) एक मूल है। अचर पद (0) हो तो शून्य मूल की संभावना देखें। / (x-2+5x=x(x+5)) so (x=0) is one root. If the constant term is (0) check for a zero root.

Which concept should I revise for this Mathematics MCQ?

(x-2+5x=x(x+5)) so (x=0) is one root. If the constant term is (0) check for a zero root.

What exam hint can help solve this Mathematics question?

(x-2+5x=x(x+5)) इसलिए (x=0) एक मूल है। अचर पद (0) हो तो शून्य मूल की संभावना देखें।

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