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5
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\sqrt{\frac{\frac{2\times 15}{3}}{\frac{2}{5}}}
Express \frac{2}{3}\times 15 as a single fraction.
\sqrt{\frac{\frac{30}{3}}{\frac{2}{5}}}
Multiply 2 and 15 to get 30.
\sqrt{\frac{10}{\frac{2}{5}}}
Divide 30 by 3 to get 10.
\sqrt{10\times \frac{5}{2}}
Divide 10 by \frac{2}{5} by multiplying 10 by the reciprocal of \frac{2}{5}.
\sqrt{\frac{10\times 5}{2}}
Express 10\times \frac{5}{2} as a single fraction.
\sqrt{\frac{50}{2}}
Multiply 10 and 5 to get 50.
\sqrt{25}
Divide 50 by 2 to get 25.
5
Calculate the square root of 25 and get 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}