Question

$\sqrt{12 \times \sqrt{15} }$
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Answer 1

$\begin{gathered}\sqrt{12 \times \sqrt{15} } \\ \\ \\ = > \sqrt{12 \times 15} \\ \\ = > \sqrt{4 \times 3 \times 15} \\ \\ = > 2 \sqrt{3 \times 15} \\ \\ = > 2 \sqrt{9 \times 5} \\ \\ = > 6 \sqrt{5}\end{gathered}$

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hope help u mate :)