Hard Mathematics Quadratic Equations Class 10 Level 30

किस समीकरण का विवेचक (-11) है?

Which equation has discriminant (-11)?

Explanation opens after your attempt
Correct Answer

A. \(x^2+x+3=0\)

Step 1

Concept

For \(x^2+x+3=0\), \(D=1^2-4\cdot1\cdot3=-11\). Subtract the full (4ac) while finding the discriminant.

Step 2

Why this answer is correct

The correct answer is A. \(x^2+x+3=0\). For \(x^2+x+3=0\), \(D=1^2-4\cdot1\cdot3=-11\). Subtract the full (4ac) while finding the discriminant.

Step 3

Exam Tip

\(x^2+x+3=0\) के लिए \(D=1^2-4\cdot1\cdot3=-11\) है। विवेचक निकालते समय (4ac) पूरा घटाएं।

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Mathematics Answer, Explanation and Revision Hints

किस समीकरण का विवेचक (-11) है? / Which equation has discriminant (-11)?

Correct Answer: A. \(x^2+x+3=0\). Explanation: \(x^2+x+3=0\) के लिए \(D=1^2-4\cdot1\cdot3=-11\) है। विवेचक निकालते समय (4ac) पूरा घटाएं। / For \(x^2+x+3=0\), \(D=1^2-4\cdot1\cdot3=-11\). Subtract the full (4ac) while finding the discriminant.

Which concept should I revise for this Mathematics MCQ?

For \(x^2+x+3=0\), \(D=1^2-4\cdot1\cdot3=-11\). Subtract the full (4ac) while finding the discriminant.

What exam hint can help solve this Mathematics question?

\(x^2+x+3=0\) के लिए \(D=1^2-4\cdot1\cdot3=-11\) है। विवेचक निकालते समय (4ac) पूरा घटाएं।

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