Evaluate
\frac{64}{y^{2}}
Expand
\frac{64}{y^{2}}
Graph
Share
Copied to clipboard
\left(-1\right)^{-2}\times \left(\frac{y}{8}\right)^{-2}
Expand \left(-\frac{y}{8}\right)^{-2}.
1\times \left(\frac{y}{8}\right)^{-2}
Calculate -1 to the power of -2 and get 1.
1\times \frac{y^{-2}}{8^{-2}}
To raise \frac{y}{8} to a power, raise both numerator and denominator to the power and then divide.
\frac{y^{-2}}{8^{-2}}
Express 1\times \frac{y^{-2}}{8^{-2}} as a single fraction.
\frac{y^{-2}}{\frac{1}{64}}
Calculate 8 to the power of -2 and get \frac{1}{64}.
y^{-2}\times 64
Divide y^{-2} by \frac{1}{64} by multiplying y^{-2} by the reciprocal of \frac{1}{64}.
\left(-1\right)^{-2}\times \left(\frac{y}{8}\right)^{-2}
Expand \left(-\frac{y}{8}\right)^{-2}.
1\times \left(\frac{y}{8}\right)^{-2}
Calculate -1 to the power of -2 and get 1.
1\times \frac{y^{-2}}{8^{-2}}
To raise \frac{y}{8} to a power, raise both numerator and denominator to the power and then divide.
\frac{y^{-2}}{8^{-2}}
Express 1\times \frac{y^{-2}}{8^{-2}} as a single fraction.
\frac{y^{-2}}{\frac{1}{64}}
Calculate 8 to the power of -2 and get \frac{1}{64}.
y^{-2}\times 64
Divide y^{-2} by \frac{1}{64} by multiplying y^{-2} by the reciprocal of \frac{1}{64}.
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}