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Evaluate the following: $\sqrt[3]{-1 \frac{61}{64}}$.
Given: $\sqrt[3]{-1 \frac{61}{64}}$.
To do: To evaluate: $\sqrt[3]{-1 \frac{61}{64}}$.
Solution:
$\sqrt[3]{-1 \frac{61}{64}}$
$=\sqrt[3]{\frac{-64+61}{64}}$
$=\sqrt[3]{\frac{3}{-64}}$
$=\sqrt[3]{\frac{3}{( -4)\times( -4)\times( -4)}}$
$=\frac{\sqrt[3]{3}}{-4}$
$=-\frac{\sqrt[3]{3}}{4}$
Thus, $\sqrt[3]{-1 \frac{61}{64}}=-\frac{\sqrt[3]{3}}{4}$.
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