Easy Mathematics Quadratic Equations Class 10 Level 29

समीकरण \(7x^2+2x-5=0\) में (a) का मान क्या है?

What is the value of (a) in \(7x^2+2x-5=0\)?

Explanation opens after your attempt
Correct Answer

A. (7)

Step 1

Concept

In \(ax^2+bx+c=0\), (a) is the coefficient of \(x^2\). So (a=7).

Step 2

Why this answer is correct

The correct answer is A. (7). In \(ax^2+bx+c=0\), (a) is the coefficient of \(x^2\). So (a=7).

Step 3

Exam Tip

मानक रूप \(ax^2+bx+c=0\) में (a) \(x^2\) का गुणांक होता है। इसलिए (a=7) है।

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Mathematics Answer, Explanation and Revision Hints

समीकरण \(7x^2+2x-5=0\) में (a) का मान क्या है? / What is the value of (a) in \(7x^2+2x-5=0\)?

Correct Answer: A. (7). Explanation: मानक रूप \(ax^2+bx+c=0\) में (a) \(x^2\) का गुणांक होता है। इसलिए (a=7) है। / In \(ax^2+bx+c=0\), (a) is the coefficient of \(x^2\). So (a=7).

Which concept should I revise for this Mathematics MCQ?

In \(ax^2+bx+c=0\), (a) is the coefficient of \(x^2\). So (a=7).

What exam hint can help solve this Mathematics question?

मानक रूप \(ax^2+bx+c=0\) में (a) \(x^2\) का गुणांक होता है। इसलिए (a=7) है।

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