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Example Questions
Example Question #73 : Factorials
Try without a calculator.
Which expression is equal to ?
Possible Answers:
None of these
Correct answer:
Explanation:
- or
factorial - is defined to be the product of the integers from 1 to
. Therefore,
and
Therefore,
is equal to
All of the factors from 1 to 999 can be canceled out in both numerator and denominator, so the expression is equal to
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