यदि (m) धनात्मक पूर्णांक है और \(\sqrt{m}\) परिमेय है, तो (m) के बारे में कौन सा निष्कर्ष सही है?
If (m) is a positive integer and \(\sqrt{m}\) is rational, which conclusion about (m) is correct?
Explanation opens after your attempt
A. (m) पूर्ण वर्ग है(m) is a perfect square
Concept
The rational square root of a positive integer is an integer only when it is a perfect square. In exams identifying perfect squares is important.
Why this answer is correct
The correct answer is A. (m) पूर्ण वर्ग है / (m) is a perfect square. The rational square root of a positive integer is an integer only when it is a perfect square. In exams identifying perfect squares is important.
Exam Tip
धनात्मक पूर्णांक का परिमेय वर्गमूल तभी पूर्णांक होता है जब वह पूर्ण वर्ग हो। परीक्षा में पूर्ण वर्ग पहचानना जरूरी है।
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