किस विकल्प में \(\sqrt{a}+\sqrt{b}\) परिमेय है?
In which option is \(\sqrt{a}+\sqrt{b}\) rational?
Explanation opens after your attempt
B. (a=25,b=49)
Concept
(25) and (49) are both perfect squares.
Why this answer is correct
\(\sqrt{25}+\sqrt{49}=5+7=12\), which is rational.
Exam Tip
For a rational sum, check both square roots separately. चरण 1: (25) और (49) दोनों पूर्ण वर्ग हैं। चरण 2: \(\sqrt{25}+\sqrt{49}=5+7=12\), जो परिमेय है। चरण 3: परिमेय योग के लिए दोनों वर्गमूलों को अलग-अलग जाँचें।
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