यदि \(\sqrt{m}\) परिमेय है और (m) धनात्मक पूर्णांक है, तो (m) के बारे में सही कथन क्या है?
If \(\sqrt{m}\) is rational and (m) is a positive integer, what is true about (m)?
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Correct Answer
B. (m) पूर्ण वर्ग है(m) is a perfect square
Concept
For a positive integer (m), \(\sqrt{m}\) is rational only when (m) is a perfect square. Identifying perfect squares is important in exams.
Why this answer is correct
The correct answer is B. (m) पूर्ण वर्ग है / (m) is a perfect square. For a positive integer (m), \(\sqrt{m}\) is rational only when (m) is a perfect square. Identifying perfect squares is important in exams.
Exam Tip
धनात्मक पूर्णांक (m) के लिए \(\sqrt{m}\) परिमेय तभी होगा जब (m) पूर्ण वर्ग हो। परीक्षा में पूर्ण वर्ग पहचानना जरूरी है।
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