Evaluate
\frac{8y^{6}}{9x^{38}}
Expand
\frac{8y^{6}}{9x^{38}}
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\frac{2^{5}\left(x^{-8}\right)^{5}\left(y^{-2}\right)^{5}}{\left(6x^{-1}y^{-8}\right)^{2}}
Expand \left(2x^{-8}y^{-2}\right)^{5}.
\frac{2^{5}x^{-40}\left(y^{-2}\right)^{5}}{\left(6x^{-1}y^{-8}\right)^{2}}
To raise a power to another power, multiply the exponents. Multiply -8 and 5 to get -40.
\frac{2^{5}x^{-40}y^{-10}}{\left(6x^{-1}y^{-8}\right)^{2}}
To raise a power to another power, multiply the exponents. Multiply -2 and 5 to get -10.
\frac{32x^{-40}y^{-10}}{\left(6x^{-1}y^{-8}\right)^{2}}
Calculate 2 to the power of 5 and get 32.
\frac{32x^{-40}y^{-10}}{6^{2}\left(x^{-1}\right)^{2}\left(y^{-8}\right)^{2}}
Expand \left(6x^{-1}y^{-8}\right)^{2}.
\frac{32x^{-40}y^{-10}}{6^{2}x^{-2}\left(y^{-8}\right)^{2}}
To raise a power to another power, multiply the exponents. Multiply -1 and 2 to get -2.
\frac{32x^{-40}y^{-10}}{6^{2}x^{-2}y^{-16}}
To raise a power to another power, multiply the exponents. Multiply -8 and 2 to get -16.
\frac{32x^{-40}y^{-10}}{36x^{-2}y^{-16}}
Calculate 6 to the power of 2 and get 36.
\frac{8x^{-40}y^{-10}}{9y^{-16}x^{-2}}
Cancel out 4 in both numerator and denominator.
\frac{8x^{-40}y^{6}}{9x^{-2}}
To divide powers of the same base, subtract the denominator's exponent from the numerator's exponent.
\frac{8y^{6}}{9x^{38}}
To divide powers of the same base, subtract the numerator's exponent from the denominator's exponent.
\frac{2^{5}\left(x^{-8}\right)^{5}\left(y^{-2}\right)^{5}}{\left(6x^{-1}y^{-8}\right)^{2}}
Expand \left(2x^{-8}y^{-2}\right)^{5}.
\frac{2^{5}x^{-40}\left(y^{-2}\right)^{5}}{\left(6x^{-1}y^{-8}\right)^{2}}
To raise a power to another power, multiply the exponents. Multiply -8 and 5 to get -40.
\frac{2^{5}x^{-40}y^{-10}}{\left(6x^{-1}y^{-8}\right)^{2}}
To raise a power to another power, multiply the exponents. Multiply -2 and 5 to get -10.
\frac{32x^{-40}y^{-10}}{\left(6x^{-1}y^{-8}\right)^{2}}
Calculate 2 to the power of 5 and get 32.
\frac{32x^{-40}y^{-10}}{6^{2}\left(x^{-1}\right)^{2}\left(y^{-8}\right)^{2}}
Expand \left(6x^{-1}y^{-8}\right)^{2}.
\frac{32x^{-40}y^{-10}}{6^{2}x^{-2}\left(y^{-8}\right)^{2}}
To raise a power to another power, multiply the exponents. Multiply -1 and 2 to get -2.
\frac{32x^{-40}y^{-10}}{6^{2}x^{-2}y^{-16}}
To raise a power to another power, multiply the exponents. Multiply -8 and 2 to get -16.
\frac{32x^{-40}y^{-10}}{36x^{-2}y^{-16}}
Calculate 6 to the power of 2 and get 36.
\frac{8x^{-40}y^{-10}}{9y^{-16}x^{-2}}
Cancel out 4 in both numerator and denominator.
\frac{8x^{-40}y^{6}}{9x^{-2}}
To divide powers of the same base, subtract the denominator's exponent from the numerator's exponent.
\frac{8y^{6}}{9x^{38}}
To divide powers of the same base, subtract the numerator's exponent from the denominator's exponent.
Examples
Quadratic equation
{ 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}