Easy Mathematics Quadratic Equations Class 10 Level 29

समीकरण \(3x^2-21=0\) में (a), (b), (c) कौन से हैं?

What are (a), (b), (c) in \(3x^2-21=0\)?

Explanation opens after your attempt
Correct Answer

A. (3,0,-21)

Step 1

Concept

Write it as \(3x^2+0x-21=0\). So (a=3), (b=0), (c=-21).

Step 2

Why this answer is correct

The correct answer is A. (3,0,-21). Write it as \(3x^2+0x-21=0\). So (a=3), (b=0), (c=-21).

Step 3

Exam Tip

इसे \(3x^2+0x-21=0\) लिखें। इसलिए (a=3), (b=0), (c=-21) हैं।

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Mathematics Answer, Explanation and Revision Hints

समीकरण \(3x^2-21=0\) में (a), (b), (c) कौन से हैं? / What are (a), (b), (c) in \(3x^2-21=0\)?

Correct Answer: A. (3,0,-21). Explanation: इसे \(3x^2+0x-21=0\) लिखें। इसलिए (a=3), (b=0), (c=-21) हैं। / Write it as \(3x^2+0x-21=0\). So (a=3), (b=0), (c=-21).

Which concept should I revise for this Mathematics MCQ?

Write it as \(3x^2+0x-21=0\). So (a=3), (b=0), (c=-21).

What exam hint can help solve this Mathematics question?

इसे \(3x^2+0x-21=0\) लिखें। इसलिए (a=3), (b=0), (c=-21) हैं।

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