यदि \(\sqrt{7}\) अपरिमेय है तो \(3\sqrt{7}\) क्या होगा?
If \(\sqrt{7}\) is irrational then \(3\sqrt{7}\) is?
Explanation opens after your attempt
B. अपरिमेय
Concept
Multiplying by a non-zero rational keeps it irrational. Remember the rule.
Why this answer is correct
The correct answer is B. अपरिमेय. Multiplying by a non-zero rational keeps it irrational. Remember the rule.
Exam Tip
शून्येतर परिमेय से गुणा करने पर अपरिमेयता बनी रहती है। नियम याद रखें।
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