कौन सा विकल्प \(5+\sqrt{m}\) को परिमेय बनाता है?
Which option makes \(5+\sqrt{m}\) rational?
Explanation opens after your attempt
A. (m=121)
Concept
\(\sqrt{121}=11\) is rational so \(5+\sqrt{121}\) will be rational. The root of a perfect square is rational.
Why this answer is correct
The correct answer is A. (m=121). \(\sqrt{121}=11\) is rational so \(5+\sqrt{121}\) will be rational. The root of a perfect square is rational.
Exam Tip
\(\sqrt{121}=11\) परिमेय है इसलिए \(5+\sqrt{121}\) परिमेय होगा। पूर्ण वर्ग वाली जड़ परिमेय होती है।
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