Evaluate
\frac{31}{10}=3.1
Factor
\frac{31}{2 \cdot 5} = 3\frac{1}{10} = 3.1
Share
Copied to clipboard
\sqrt[3]{\frac{24+3}{8}}+\sqrt{\frac{2\times 25+14}{25}}
Multiply 3 and 8 to get 24.
\sqrt[3]{\frac{27}{8}}+\sqrt{\frac{2\times 25+14}{25}}
Add 24 and 3 to get 27.
\frac{3}{2}+\sqrt{\frac{2\times 25+14}{25}}
Calculate \sqrt[3]{\frac{27}{8}} and get \frac{3}{2}.
\frac{3}{2}+\sqrt{\frac{50+14}{25}}
Multiply 2 and 25 to get 50.
\frac{3}{2}+\sqrt{\frac{64}{25}}
Add 50 and 14 to get 64.
\frac{3}{2}+\frac{8}{5}
Rewrite the square root of the division \frac{64}{25} as the division of square roots \frac{\sqrt{64}}{\sqrt{25}}. Take the square root of both numerator and denominator.
\frac{31}{10}
Add \frac{3}{2} and \frac{8}{5} to get \frac{31}{10}.
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}