Evaluate
\frac{\sqrt{5}}{12}+1\approx 1.186338998
Factor
\frac{\sqrt{5} + 12}{12} = 1.1863389981249826
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1+\frac{\frac{\sqrt{5}}{2}}{3\times 2}
Express \frac{\frac{\frac{\sqrt{5}}{2}}{3}}{2} as a single fraction.
1+\frac{\frac{\sqrt{5}}{2}}{6}
Multiply 3 and 2 to get 6.
1+\frac{\sqrt{5}}{2\times 6}
Express \frac{\frac{\sqrt{5}}{2}}{6} as a single fraction.
1+\frac{\sqrt{5}}{12}
Multiply 2 and 6 to get 12.
\frac{12}{12}+\frac{\sqrt{5}}{12}
To add or subtract expressions, expand them to make their denominators the same. Multiply 1 times \frac{12}{12}.
\frac{12+\sqrt{5}}{12}
Since \frac{12}{12} and \frac{\sqrt{5}}{12} have the same denominator, add them by adding their numerators.
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}