Evaluate
\frac{11}{15}\approx 0.733333333
Factor
\frac{11}{3 \cdot 5} = 0.7333333333333333
Quiz
Arithmetic
5 problems similar to:
\frac { 7 + 48 } { \sqrt { 9 } \times \sqrt { 49 + 24 \times 24 } }
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\frac{55}{\sqrt{9}\sqrt{49+24\times 24}}
Add 7 and 48 to get 55.
\frac{55}{3\sqrt{49+24\times 24}}
Calculate the square root of 9 and get 3.
\frac{55}{3\sqrt{49+576}}
Multiply 24 and 24 to get 576.
\frac{55}{3\sqrt{625}}
Add 49 and 576 to get 625.
\frac{55}{3\times 25}
Calculate the square root of 625 and get 25.
\frac{55}{75}
Multiply 3 and 25 to get 75.
\frac{11}{15}
Reduce the fraction \frac{55}{75} to lowest terms by extracting and canceling out 5.
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}