\(\sqrt{63}-\sqrt{28}\) का मान क्या है?
What is the value of \(\sqrt{63}-\sqrt{28}\)?
Explanation opens after your attempt
A. \(\sqrt{7}\)
Concept
\(\sqrt{63}=3\sqrt{7}\) and \(\sqrt{28}=2\sqrt{7}\). Difference is \(\sqrt{7}\).
Why this answer is correct
The correct answer is A. \(\sqrt{7}\). \(\sqrt{63}=3\sqrt{7}\) and \(\sqrt{28}=2\sqrt{7}\). Difference is \(\sqrt{7}\).
Exam Tip
\(\sqrt{63}=3\sqrt{7}\) और \(\sqrt{28}=2\sqrt{7}\)। अंतर \(\sqrt{7}\) है।
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