किस विकल्प का मान अपरिमेय है?
Which option has an irrational value?
Explanation opens after your attempt
C. \(\sqrt{7}+\sqrt{28}\)
Concept
\(\sqrt{7}+\sqrt{28}=3\sqrt{7}\), which is irrational. In the other options the radicals simplify to rational values.
Why this answer is correct
The correct answer is C. \(\sqrt{7}+\sqrt{28}\). \(\sqrt{7}+\sqrt{28}=3\sqrt{7}\), which is irrational. In the other options the radicals simplify to rational values.
Exam Tip
\(\sqrt{7}+\sqrt{28}=3\sqrt{7}\) है जो अपरिमेय है। बाकी विकल्पों में मूल हटकर परिमेय मान मिलते हैं।
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