कौन सी संख्या \(\sqrt{72}\) के बराबर है?
Which number is equal to \(\sqrt{72}\)?
Explanation opens after your attempt
B. \(6\sqrt{2}\)
Concept
\(72=36\times2\), hence \(\sqrt{72}=6\sqrt{2}\). Extract perfect squares.
Why this answer is correct
The correct answer is B. \(6\sqrt{2}\). \(72=36\times2\), hence \(\sqrt{72}=6\sqrt{2}\). Extract perfect squares.
Exam Tip
\(72=36\times2\) इसलिए \(\sqrt{72}=6\sqrt{2}\)। पूर्ण वर्ग अलग करें।
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