Evaluate
-\frac{21^{\frac{2}{3}}}{7}+\sqrt{3}\approx 0.644670435
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\sqrt{3}-\sqrt[3]{\frac{1}{21}}\times 3
Calculate the square root of 9 and get 3.
\sqrt{3}-3\sqrt[3]{\frac{1}{21}}
Multiply -1 and 3 to get -3.
Examples
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Matrix
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Simultaneous equation
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Limits
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