Evaluate
\frac{\sqrt{2}\left(\sqrt{3}+1\right)}{4}\approx 0.965925826
Factor
\frac{\sqrt{2} {(\sqrt{3} + 1)}}{4} = 0.9659258262890683
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\frac{\left(6+2\sqrt{3}\right)\sqrt{6}}{4\left(\sqrt{6}\right)^{2}}
Rationalize the denominator of \frac{6+2\sqrt{3}}{4\sqrt{6}} by multiplying numerator and denominator by \sqrt{6}.
\frac{\left(6+2\sqrt{3}\right)\sqrt{6}}{4\times 6}
The square of \sqrt{6} is 6.
\frac{\left(6+2\sqrt{3}\right)\sqrt{6}}{24}
Multiply 4 and 6 to get 24.
\frac{6\sqrt{6}+2\sqrt{3}\sqrt{6}}{24}
Use the distributive property to multiply 6+2\sqrt{3} by \sqrt{6}.
\frac{6\sqrt{6}+2\sqrt{3}\sqrt{3}\sqrt{2}}{24}
Factor 6=3\times 2. Rewrite the square root of the product \sqrt{3\times 2} as the product of square roots \sqrt{3}\sqrt{2}.
\frac{6\sqrt{6}+2\times 3\sqrt{2}}{24}
Multiply \sqrt{3} and \sqrt{3} to get 3.
\frac{6\sqrt{6}+6\sqrt{2}}{24}
Multiply 2 and 3 to get 6.
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}