Evaluate
210
Factor
2\times 3\times 5\times 7
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\frac{3628800}{\left(10-4\right)!\times 4!}
The factorial of 10 is 3628800.
\frac{3628800}{6!\times 4!}
Subtract 4 from 10 to get 6.
\frac{3628800}{720\times 4!}
The factorial of 6 is 720.
\frac{3628800}{720\times 24}
The factorial of 4 is 24.
\frac{3628800}{17280}
Multiply 720 and 24 to get 17280.
210
Divide 3628800 by 17280 to get 210.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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Matrix
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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
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