2 years ago

The difference between

" alt=" \sqrt[2]{72} " align="absmiddle" class="latex-formula"> and $\sqrt{8}$ is
A) $\sqrt[10]{2}$
B) $\sqrt[8]{2}$
C) $\sqrt[6]{2}$
D) $\sqrt{2}$

1 answer:

ollegr [7]2 years ago

4 0

$\sqrt{72}-\sqrt{8}=\sqrt{36\cdot 2}-\sqrt{4\cdot 2}\\\\=6\sqrt{2}-2\sqrt{2}=4\sqrt{2}$

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