( 1,12 ) + ( 1 / 3 ) ^ { - 2 } + ( 1 / 4 ) ^ { - 2 }
Evaluate
26,12
Factor
\frac{653}{5 ^ {2}} = 26\frac{3}{25} = 26.12
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1,12+9+\left(\frac{1}{4}\right)^{-2}
Calculate \frac{1}{3} to the power of -2 and get 9.
10,12+\left(\frac{1}{4}\right)^{-2}
Add 1,12 and 9 to get 10,12.
10,12+16
Calculate \frac{1}{4} to the power of -2 and get 16.
26,12
Add 10,12 and 16 to get 26,12.
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}