Medium Mathematics Quadratic Equations Class 10 Level 33

क्या (x=-3) समीकरण \(2x^2+7x+3=0\) का मूल है?

Is (x=-3) a root of \(2x^2+7x+3=0\)?

Explanation opens after your attempt
Correct Answer

A. हाँYes

Step 1

Concept

Putting (x=-3) gives (18-21+3=0). Watch the signs carefully when substituting a negative root.

Step 2

Why this answer is correct

The correct answer is A. हाँ / Yes. Putting (x=-3) gives (18-21+3=0). Watch the signs carefully when substituting a negative root.

Step 3

Exam Tip

(x=-3) रखने पर (18-21+3=0) मिलता है। ऋणात्मक मूल रखते समय चिन्हों को ध्यान से देखें।

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Mathematics Answer, Explanation and Revision Hints

क्या (x=-3) समीकरण \(2x^2+7x+3=0\) का मूल है? / Is (x=-3) a root of \(2x^2+7x+3=0\)?

Correct Answer: A. हाँ / Yes. Explanation: (x=-3) रखने पर (18-21+3=0) मिलता है। ऋणात्मक मूल रखते समय चिन्हों को ध्यान से देखें। / Putting (x=-3) gives (18-21+3=0). Watch the signs carefully when substituting a negative root.

Which concept should I revise for this Mathematics MCQ?

Putting (x=-3) gives (18-21+3=0). Watch the signs carefully when substituting a negative root.

What exam hint can help solve this Mathematics question?

(x=-3) रखने पर (18-21+3=0) मिलता है। ऋणात्मक मूल रखते समय चिन्हों को ध्यान से देखें।

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