Medium Mathematics Polynomials Class 10 Level 26

कौन सा विकल्प \(2+\sqrt{m}\) को अपरिमेय बनाता है?

Which option makes \(2+\sqrt{m}\) irrational?

Explanation opens after your attempt
Correct Answer

A. (m=45)

Step 1

Concept

(45) is not a perfect square so \(\sqrt{45}\) is irrational. Adding rational (2) keeps it irrational.

Step 2

Why this answer is correct

The correct answer is A. (m=45). (45) is not a perfect square so \(\sqrt{45}\) is irrational. Adding rational (2) keeps it irrational.

Step 3

Exam Tip

(45) पूर्ण वर्ग नहीं है इसलिए \(\sqrt{45}\) अपरिमेय है। परिमेय (2) जोड़ने पर परिणाम अपरिमेय रहता है।

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Mathematics Answer, Explanation and Revision Hints

कौन सा विकल्प \(2+\sqrt{m}\) को अपरिमेय बनाता है? / Which option makes \(2+\sqrt{m}\) irrational?

Correct Answer: A. (m=45). Explanation: (45) पूर्ण वर्ग नहीं है इसलिए \(\sqrt{45}\) अपरिमेय है। परिमेय (2) जोड़ने पर परिणाम अपरिमेय रहता है। / (45) is not a perfect square so \(\sqrt{45}\) is irrational. Adding rational (2) keeps it irrational.

Which concept should I revise for this Mathematics MCQ?

(45) is not a perfect square so \(\sqrt{45}\) is irrational. Adding rational (2) keeps it irrational.

What exam hint can help solve this Mathematics question?

(45) पूर्ण वर्ग नहीं है इसलिए \(\sqrt{45}\) अपरिमेय है। परिमेय (2) जोड़ने पर परिणाम अपरिमेय रहता है।

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