कौन-सी संख्या \( \sqrt{n} \) के रूप में अपरिमेय है?
Which number in the form \( \sqrt{n} \) is irrational?
Explanation opens after your attempt
Correct Answer
C. \( \sqrt{27} \)
Concept
(27) is not a perfect square, so \( \sqrt{27} \) is irrational. Distinguish perfect squares from non-perfect squares.
Why this answer is correct
The correct answer is C. \( \sqrt{27} \). (27) is not a perfect square, so \( \sqrt{27} \) is irrational. Distinguish perfect squares from non-perfect squares.
Exam Tip
(27) पूर्ण वर्ग नहीं है, इसलिए \( \sqrt{27} \) अपरिमेय है। पूर्ण वर्गों और अपूर्ण वर्गों में फर्क करें।
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