यदि \(\sqrt{k}\) अपरिमेय है और (k) धनात्मक पूर्णांक है तो (k) के बारे में सही कथन क्या है?
If \(\sqrt{k}\) is irrational and (k) is a positive integer, what is correct about (k)?
Explanation opens after your attempt
Correct Answer
A. (k) पूर्ण वर्ग नहीं है(k) is not a perfect square
Concept
If a positive integer is not a perfect square its square root is irrational. So (k) is not a perfect square.
Why this answer is correct
The correct answer is A. (k) पूर्ण वर्ग नहीं है / (k) is not a perfect square. If a positive integer is not a perfect square its square root is irrational. So (k) is not a perfect square.
Exam Tip
धनात्मक पूर्णांक पूर्ण वर्ग न हो तो उसकी वर्गमूल अपरिमेय होती है। इसलिए (k) पूर्ण वर्ग नहीं होगा।
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