Evaluate
\frac{57}{56}\approx 1.017857143
Factor
\frac{3 \cdot 19}{2 ^ {3} \cdot 7} = 1\frac{1}{56} = 1.0178571428571428
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\sqrt{\frac{3200}{3136}+\frac{49}{3136}}
Least common multiple of 49 and 64 is 3136. Convert \frac{50}{49} and \frac{1}{64} to fractions with denominator 3136.
\sqrt{\frac{3200+49}{3136}}
Since \frac{3200}{3136} and \frac{49}{3136} have the same denominator, add them by adding their numerators.
\sqrt{\frac{3249}{3136}}
Add 3200 and 49 to get 3249.
\frac{57}{56}
Rewrite the square root of the division \frac{3249}{3136} as the division of square roots \frac{\sqrt{3249}}{\sqrt{3136}}. Take the square root of both numerator and denominator.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}