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24-08-2017
Mathematics

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Square root of 216k^4

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24-08-2017

remember
[tex]\sqrt{ab}=(\sqrt{a})(\sqrt{b})[/tex]

so
[tex]\sqrt{216k^4}=(\sqrt{216})(\sqrt{k^4})=(6\sqrt{6})(k^2)=6k^2\sqrt{6}[/tex]

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