Evaluate
81
Factor
3^{4}
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\frac{\left(16\times 3^{6}\right)^{\frac{1}{2}}\sqrt[3]{8}\sqrt{81}}{16^{\frac{3}{4}}\times 27^{\frac{1}{3}}}
Calculate 2 to the power of 4 and get 16.
\frac{\left(16\times 729\right)^{\frac{1}{2}}\sqrt[3]{8}\sqrt{81}}{16^{\frac{3}{4}}\times 27^{\frac{1}{3}}}
Calculate 3 to the power of 6 and get 729.
\frac{11664^{\frac{1}{2}}\sqrt[3]{8}\sqrt{81}}{16^{\frac{3}{4}}\times 27^{\frac{1}{3}}}
Multiply 16 and 729 to get 11664.
\frac{108\sqrt[3]{8}\sqrt{81}}{16^{\frac{3}{4}}\times 27^{\frac{1}{3}}}
Calculate 11664 to the power of \frac{1}{2} and get 108.
\frac{108\times 2\sqrt{81}}{16^{\frac{3}{4}}\times 27^{\frac{1}{3}}}
Calculate \sqrt[3]{8} and get 2.
\frac{216\sqrt{81}}{16^{\frac{3}{4}}\times 27^{\frac{1}{3}}}
Multiply 108 and 2 to get 216.
\frac{216\times 9}{16^{\frac{3}{4}}\times 27^{\frac{1}{3}}}
Calculate the square root of 81 and get 9.
\frac{1944}{16^{\frac{3}{4}}\times 27^{\frac{1}{3}}}
Multiply 216 and 9 to get 1944.
\frac{1944}{8\times 27^{\frac{1}{3}}}
Calculate 16 to the power of \frac{3}{4} and get 8.
\frac{1944}{8\times 3}
Calculate 27 to the power of \frac{1}{3} and get 3.
\frac{1944}{24}
Multiply 8 and 3 to get 24.
81
Divide 1944 by 24 to get 81.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}