कौन सा विकल्प \(9-\sqrt{m}\) को परिमेय बनाता है?
Which option makes \(9-\sqrt{m}\) rational?
Explanation opens after your attempt
A. (m=100)
Concept
\(\sqrt{100}=10\) is rational so \(9-\sqrt{100}\) will be rational. The root of a perfect square is rational.
Why this answer is correct
The correct answer is A. (m=100). \(\sqrt{100}=10\) is rational so \(9-\sqrt{100}\) will be rational. The root of a perfect square is rational.
Exam Tip
\(\sqrt{100}=10\) परिमेय है इसलिए \(9-\sqrt{100}\) परिमेय होगा। पूर्ण वर्ग वाली जड़ परिमेय होती है।
Login to save your score, XP, coins and progress.