Evaluate
-\frac{1}{21}\approx -0.047619048
Factor
-\frac{1}{21} = -0.047619047619047616
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\frac{-205891132094649\times 21^{17}}{49^{9}\left(-9\right)^{24}}
Calculate 27 to the power of 10 and get 205891132094649.
\frac{-205891132094649\times 30041942495081691894741}{49^{9}\left(-9\right)^{24}}
Calculate 21 to the power of 17 and get 30041942495081691894741.
\frac{-6185369550634713791900436392957340909}{49^{9}\left(-9\right)^{24}}
Multiply -205891132094649 and 30041942495081691894741 to get -6185369550634713791900436392957340909.
\frac{-6185369550634713791900436392957340909}{1628413597910449\left(-9\right)^{24}}
Calculate 49 to the power of 9 and get 1628413597910449.
\frac{-6185369550634713791900436392957340909}{1628413597910449\times 79766443076872509863361}
Calculate -9 to the power of 24 and get 79766443076872509863361.
\frac{-6185369550634713791900436392957340909}{129892760563328989629909164252104159089}
Multiply 1628413597910449 and 79766443076872509863361 to get 129892760563328989629909164252104159089.
-\frac{1}{21}
Reduce the fraction \frac{-6185369550634713791900436392957340909}{129892760563328989629909164252104159089} to lowest terms by extracting and canceling out 6185369550634713791900436392957340909.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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}