Evaluate
\frac{5}{2}=2.5
Factor
\frac{5}{2} = 2\frac{1}{2} = 2.5
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\left(\frac{1}{5}+\frac{1}{10}+\frac{1}{10}\right)^{-1}
Add \frac{1}{10} and \frac{1}{10} to get \frac{1}{5}.
\left(\frac{3}{10}+\frac{1}{10}\right)^{-1}
Add \frac{1}{5} and \frac{1}{10} to get \frac{3}{10}.
\left(\frac{2}{5}\right)^{-1}
Add \frac{3}{10} and \frac{1}{10} to get \frac{2}{5}.
\frac{5}{2}
Calculate \frac{2}{5} to the power of -1 and get \frac{5}{2}.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}