कौन सा विकल्प \(\sqrt{256}\) और \(\sqrt{257}\) की सही प्रकृति बताता है?
Which option gives the correct nature of \(\sqrt{256}\) and \(\sqrt{257}\)?
Explanation opens after your attempt
A. \(\sqrt{256}\) परिमेय है और \(\sqrt{257}\) अपरिमेय है\(\sqrt{256}\) is rational and \(\sqrt{257}\) is irrational
Concept
\(\sqrt{256}=16\), but (257) is not a perfect square. So the first root is rational and the second is irrational.
Why this answer is correct
The correct answer is A. \(\sqrt{256}\) परिमेय है और \(\sqrt{257}\) अपरिमेय है / \(\sqrt{256}\) is rational and \(\sqrt{257}\) is irrational. \(\sqrt{256}=16\), but (257) is not a perfect square. So the first root is rational and the second is irrational.
Exam Tip
\(\sqrt{256}=16\) है लेकिन (257) पूर्ण वर्ग नहीं है। इसलिए पहली जड़ परिमेय और दूसरी अपरिमेय है।
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