कौन-सी संख्या \(3\sqrt{5}\) के बराबर है?
Which number is equal to \(3\sqrt{5}\)?
Explanation opens after your attempt
A. \(\sqrt{45}\)
Concept
\(3\sqrt{5}=\sqrt{9}\sqrt{5}\).
Why this answer is correct
This equals \(\sqrt{45}\).
Exam Tip
An outside coefficient can be moved inside by squaring it. चरण 1: \(3\sqrt{5}=\sqrt{9}\sqrt{5}\)। चरण 2: यह \(\sqrt{45}\) के बराबर है। चरण 3: बाहर के गुणांक को वर्ग करके अंदर ले जा सकते हैं।
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