Evaluate
\frac{2}{81x^{3}}
Expand
\frac{2}{81x^{3}}
Graph
Share
Copied to clipboard
\frac{x^{7}\times \frac{1}{2}\times \frac{1}{2}\left(x\times \frac{1}{3}\right)^{5}}{xx^{11}\times \frac{1}{2}x^{3}\times \frac{1}{3}}\times 4
To multiply powers of the same base, add their exponents. Add 3 and 4 to get 7.
\frac{x^{7}\times \frac{1}{2}\times \frac{1}{2}\left(x\times \frac{1}{3}\right)^{5}}{x^{12}\times \frac{1}{2}x^{3}\times \frac{1}{3}}\times 4
To multiply powers of the same base, add their exponents. Add 1 and 11 to get 12.
\frac{x^{7}\times \frac{1}{2}\times \frac{1}{2}\left(x\times \frac{1}{3}\right)^{5}}{x^{15}\times \frac{1}{2}\times \frac{1}{3}}\times 4
To multiply powers of the same base, add their exponents. Add 12 and 3 to get 15.
\frac{\frac{1}{2}\times \frac{1}{2}\times \left(\frac{1}{3}x\right)^{5}}{\frac{1}{3}\times \frac{1}{2}x^{8}}\times 4
Cancel out x^{7} in both numerator and denominator.
\frac{\left(\frac{1}{3}x\right)^{5}}{\frac{1}{3}\times \frac{1}{\frac{1}{2}}x^{8}}\times 4
To divide powers of the same base, subtract the numerator's exponent from the denominator's exponent.
\frac{\left(\frac{1}{3}\right)^{5}x^{5}}{\frac{1}{3}\times \frac{1}{\frac{1}{2}}x^{8}}\times 4
Expand \left(\frac{1}{3}x\right)^{5}.
\frac{\frac{1}{243}x^{5}}{\frac{1}{3}\times \frac{1}{\frac{1}{2}}x^{8}}\times 4
Calculate \frac{1}{3} to the power of 5 and get \frac{1}{243}.
\frac{\frac{1}{243}x^{5}}{\frac{1}{3}\times 1\times 2x^{8}}\times 4
Divide 1 by \frac{1}{2} by multiplying 1 by the reciprocal of \frac{1}{2}.
\frac{\frac{1}{243}x^{5}}{\frac{1}{3}\times 2x^{8}}\times 4
Multiply 1 and 2 to get 2.
\frac{\frac{1}{243}x^{5}}{\frac{2}{3}x^{8}}\times 4
Multiply \frac{1}{3} and 2 to get \frac{2}{3}.
\frac{\frac{1}{243}}{\frac{2}{3}x^{3}}\times 4
Cancel out x^{5} in both numerator and denominator.
\frac{1}{243\times \frac{2}{3}x^{3}}\times 4
Express \frac{\frac{1}{243}}{\frac{2}{3}x^{3}} as a single fraction.
\frac{1}{162x^{3}}\times 4
Multiply 243 and \frac{2}{3} to get 162.
\frac{4}{162x^{3}}
Express \frac{1}{162x^{3}}\times 4 as a single fraction.
\frac{x^{7}\times \frac{1}{2}\times \frac{1}{2}\left(x\times \frac{1}{3}\right)^{5}}{xx^{11}\times \frac{1}{2}x^{3}\times \frac{1}{3}}\times 4
To multiply powers of the same base, add their exponents. Add 3 and 4 to get 7.
\frac{x^{7}\times \frac{1}{2}\times \frac{1}{2}\left(x\times \frac{1}{3}\right)^{5}}{x^{12}\times \frac{1}{2}x^{3}\times \frac{1}{3}}\times 4
To multiply powers of the same base, add their exponents. Add 1 and 11 to get 12.
\frac{x^{7}\times \frac{1}{2}\times \frac{1}{2}\left(x\times \frac{1}{3}\right)^{5}}{x^{15}\times \frac{1}{2}\times \frac{1}{3}}\times 4
To multiply powers of the same base, add their exponents. Add 12 and 3 to get 15.
\frac{\frac{1}{2}\times \frac{1}{2}\times \left(\frac{1}{3}x\right)^{5}}{\frac{1}{3}\times \frac{1}{2}x^{8}}\times 4
Cancel out x^{7} in both numerator and denominator.
\frac{\left(\frac{1}{3}x\right)^{5}}{\frac{1}{3}\times \frac{1}{\frac{1}{2}}x^{8}}\times 4
To divide powers of the same base, subtract the numerator's exponent from the denominator's exponent.
\frac{\left(\frac{1}{3}\right)^{5}x^{5}}{\frac{1}{3}\times \frac{1}{\frac{1}{2}}x^{8}}\times 4
Expand \left(\frac{1}{3}x\right)^{5}.
\frac{\frac{1}{243}x^{5}}{\frac{1}{3}\times \frac{1}{\frac{1}{2}}x^{8}}\times 4
Calculate \frac{1}{3} to the power of 5 and get \frac{1}{243}.
\frac{\frac{1}{243}x^{5}}{\frac{1}{3}\times 1\times 2x^{8}}\times 4
Divide 1 by \frac{1}{2} by multiplying 1 by the reciprocal of \frac{1}{2}.
\frac{\frac{1}{243}x^{5}}{\frac{1}{3}\times 2x^{8}}\times 4
Multiply 1 and 2 to get 2.
\frac{\frac{1}{243}x^{5}}{\frac{2}{3}x^{8}}\times 4
Multiply \frac{1}{3} and 2 to get \frac{2}{3}.
\frac{\frac{1}{243}}{\frac{2}{3}x^{3}}\times 4
Cancel out x^{5} in both numerator and denominator.
\frac{1}{243\times \frac{2}{3}x^{3}}\times 4
Express \frac{\frac{1}{243}}{\frac{2}{3}x^{3}} as a single fraction.
\frac{1}{162x^{3}}\times 4
Multiply 243 and \frac{2}{3} to get 162.
\frac{4}{162x^{3}}
Express \frac{1}{162x^{3}}\times 4 as a single fraction.
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}