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Tamiku [17]
3 years ago
11

What are the steps to solve

title=" \sqrt{20 {k}^{3} } " alt=" \sqrt{20 {k}^{3} } " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
vlada-n [284]3 years ago
3 0
\bf \sqrt{20k^3}\qquad 
\begin{cases}
20=2\cdot 2\cdot 5\\
\qquad 2^2\cdot 5\\
k^3=k^{2+1}\\
\qquad k^2\cdot k^1
\end{cases}\implies \sqrt{2^2\cdot 5\cdot k^2\cdot k}\implies 2k\sqrt{5k}
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