Easy Mathematics Quadratic Equations Class 10 Level 28

कौन सा मान \(x^2-9=0\) का एक हल है?

Which value is one solution of \(x^2-9=0\)?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

Since \(3^2-9=0\), (3) is a solution. For easy questions, check by substitution.

Step 2

Why this answer is correct

The correct answer is B. (3). Since \(3^2-9=0\), (3) is a solution. For easy questions, check by substitution.

Step 3

Exam Tip

\(3^2-9=0\) इसलिए (3) हल है। आसान प्रश्नों में मान रखकर जांच करें।

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Mathematics Answer, Explanation and Revision Hints

कौन सा मान \(x^2-9=0\) का एक हल है? / Which value is one solution of \(x^2-9=0\)?

Correct Answer: B. (3). Explanation: \(3^2-9=0\) इसलिए (3) हल है। आसान प्रश्नों में मान रखकर जांच करें। / Since \(3^2-9=0\), (3) is a solution. For easy questions, check by substitution.

Which concept should I revise for this Mathematics MCQ?

Since \(3^2-9=0\), (3) is a solution. For easy questions, check by substitution.

What exam hint can help solve this Mathematics question?

\(3^2-9=0\) इसलिए (3) हल है। आसान प्रश्नों में मान रखकर जांच करें।

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