Evaluate
\frac{2\left(2\sqrt{2}+3\right)}{47}\approx 0.248018176
Factor
\frac{2 {(2 \sqrt{2} + 3)}}{47} = 0.24801817552111446
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\frac{-6-\sqrt{32-49\times 0\times 6}}{2-49}
Subtract 4 from 36 to get 32.
\frac{-6-\sqrt{32-0\times 6}}{2-49}
Multiply 49 and 0 to get 0.
\frac{-6-\sqrt{32-0}}{2-49}
Multiply 0 and 6 to get 0.
\frac{-6-\sqrt{32}}{2-49}
Subtract 0 from 32 to get 32.
\frac{-6-4\sqrt{2}}{2-49}
Factor 32=4^{2}\times 2. Rewrite the square root of the product \sqrt{4^{2}\times 2} as the product of square roots \sqrt{4^{2}}\sqrt{2}. Take the square root of 4^{2}.
\frac{-6-4\sqrt{2}}{-47}
Subtract 49 from 2 to get -47.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}