Medium Mathematics Quadratic Equations Class 10 Level 28

समीकरण \(2x^2+3x+5=0\) के विवेचक का चिन्ह क्या है?

What is the sign of the discriminant of \(2x^2+3x+5=0\)?

Explanation opens after your attempt
Correct Answer

C. ऋणात्मकNegative

Step 1

Concept

\(D=3^2-4\cdot2\cdot5=9-40=-31\), so it is negative. Calculate the full (4ac) term carefully.

Step 2

Why this answer is correct

The correct answer is C. ऋणात्मक / Negative. \(D=3^2-4\cdot2\cdot5=9-40=-31\), so it is negative. Calculate the full (4ac) term carefully.

Step 3

Exam Tip

\(D=3^2-4\cdot2\cdot5=9-40=-31\), इसलिए यह ऋणात्मक है। गणना में (4ac) को पूरा निकालें।

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Mathematics Answer, Explanation and Revision Hints

समीकरण \(2x^2+3x+5=0\) के विवेचक का चिन्ह क्या है? / What is the sign of the discriminant of \(2x^2+3x+5=0\)?

Correct Answer: C. ऋणात्मक / Negative. Explanation: \(D=3^2-4\cdot2\cdot5=9-40=-31\), इसलिए यह ऋणात्मक है। गणना में (4ac) को पूरा निकालें। / \(D=3^2-4\cdot2\cdot5=9-40=-31\), so it is negative. Calculate the full (4ac) term carefully.

Which concept should I revise for this Mathematics MCQ?

\(D=3^2-4\cdot2\cdot5=9-40=-31\), so it is negative. Calculate the full (4ac) term carefully.

What exam hint can help solve this Mathematics question?

\(D=3^2-4\cdot2\cdot5=9-40=-31\), इसलिए यह ऋणात्मक है। गणना में (4ac) को पूरा निकालें।

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