Evaluate
72
Factor
2^{3}\times 3^{2}
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\frac{362880}{7!}
The factorial of 9 is 362880.
\frac{362880}{5040}
The factorial of 7 is 5040.
72
Divide 362880 by 5040 to get 72.
Examples
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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