Evaluate
81
Factor
3^{4}
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\frac{27^{\frac{3+1}{3}}\sqrt{\frac{1}{9}}}{81^{-\frac{1}{4}}}
Multiply 1 and 3 to get 3.
\frac{27^{\frac{4}{3}}\sqrt{\frac{1}{9}}}{81^{-\frac{1}{4}}}
Add 3 and 1 to get 4.
\frac{81\sqrt{\frac{1}{9}}}{81^{-\frac{1}{4}}}
Calculate 27 to the power of \frac{4}{3} and get 81.
\frac{81\times \frac{1}{3}}{81^{-\frac{1}{4}}}
Rewrite the square root of the division \frac{1}{9} as the division of square roots \frac{\sqrt{1}}{\sqrt{9}}. Take the square root of both numerator and denominator.
\frac{27}{81^{-\frac{1}{4}}}
Multiply 81 and \frac{1}{3} to get 27.
\frac{27}{\frac{1}{3}}
Calculate 81 to the power of -\frac{1}{4} and get \frac{1}{3}.
27\times 3
Divide 27 by \frac{1}{3} by multiplying 27 by the reciprocal of \frac{1}{3}.
81
Multiply 27 and 3 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}