कौन सा विकल्प \(8-\sqrt{m}\) को अपरिमेय बनाता है?
Which option makes \(8-\sqrt{m}\) irrational?
Explanation opens after your attempt
Correct Answer
A. (m=180)
Concept
(180) is not a perfect square so \(\sqrt{180}\) is irrational. Subtracting an irrational from a rational gives an irrational result.
Why this answer is correct
The correct answer is A. (m=180). (180) is not a perfect square so \(\sqrt{180}\) is irrational. Subtracting an irrational from a rational gives an irrational result.
Exam Tip
(180) पूर्ण वर्ग नहीं है इसलिए \(\sqrt{180}\) अपरिमेय है। परिमेय से अपरिमेय घटाने पर परिणाम अपरिमेय होता है।
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