Evaluate
\frac{3\sqrt{157}}{2}\approx 18.794946129
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\sqrt{11+\frac{1369}{4}}
Calculate 37 to the power of 2 and get 1369.
\sqrt{\frac{44}{4}+\frac{1369}{4}}
Convert 11 to fraction \frac{44}{4}.
\sqrt{\frac{44+1369}{4}}
Since \frac{44}{4} and \frac{1369}{4} have the same denominator, add them by adding their numerators.
\sqrt{\frac{1413}{4}}
Add 44 and 1369 to get 1413.
\frac{\sqrt{1413}}{\sqrt{4}}
Rewrite the square root of the division \sqrt{\frac{1413}{4}} as the division of square roots \frac{\sqrt{1413}}{\sqrt{4}}.
\frac{3\sqrt{157}}{\sqrt{4}}
Factor 1413=3^{2}\times 157. Rewrite the square root of the product \sqrt{3^{2}\times 157} as the product of square roots \sqrt{3^{2}}\sqrt{157}. Take the square root of 3^{2}.
\frac{3\sqrt{157}}{2}
Calculate the square root of 4 and get 2.
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}