कौन सा मान (n) के लिए \(\sqrt{n}\) अपरिमेय है?

For which value of (n) is \(\sqrt{n}\) irrational?

Explanation opens after your attempt
Correct Answer

C. (n=98)

Step 1

Concept

(98) is not a perfect square, so \(\sqrt{98}=7\sqrt{2}\) is irrational. In exams extract perfect-square factors.

Step 2

Why this answer is correct

The correct answer is C. (n=98). (98) is not a perfect square, so \(\sqrt{98}=7\sqrt{2}\) is irrational. In exams extract perfect-square factors.

Step 3

Exam Tip

(98) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{98}=7\sqrt{2}\) अपरिमेय है। परीक्षा में पूर्ण वर्ग गुणनखंड निकालें।

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Mathematics Answer, Explanation and Revision Hints

कौन सा मान (n) के लिए \(\sqrt{n}\) अपरिमेय है? / For which value of (n) is \(\sqrt{n}\) irrational?

Correct Answer: C. (n=98). Explanation: (98) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{98}=7\sqrt{2}\) अपरिमेय है। परीक्षा में पूर्ण वर्ग गुणनखंड निकालें। / (98) is not a perfect square, so \(\sqrt{98}=7\sqrt{2}\) is irrational. In exams extract perfect-square factors.

Which concept should I revise for this Mathematics MCQ?

(98) is not a perfect square, so \(\sqrt{98}=7\sqrt{2}\) is irrational. In exams extract perfect-square factors.

What exam hint can help solve this Mathematics question?

(98) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{98}=7\sqrt{2}\) अपरिमेय है। परीक्षा में पूर्ण वर्ग गुणनखंड निकालें।