Evaluate
\frac{\sqrt{299}}{3}\approx 5.763872155
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\sqrt{\frac{225}{9}+\frac{74}{9}}
Convert 25 to fraction \frac{225}{9}.
\sqrt{\frac{225+74}{9}}
Since \frac{225}{9} and \frac{74}{9} have the same denominator, add them by adding their numerators.
\sqrt{\frac{299}{9}}
Add 225 and 74 to get 299.
\frac{\sqrt{299}}{\sqrt{9}}
Rewrite the square root of the division \sqrt{\frac{299}{9}} as the division of square roots \frac{\sqrt{299}}{\sqrt{9}}.
\frac{\sqrt{299}}{3}
Calculate the square root of 9 and get 3.
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Linear equation
y = 3x + 4
Arithmetic
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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}