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StephenPrivitera

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We know that the sum of the first n natural numbers is n(n+1)/2

Can we express the product of the first n natural numbers without using the factorial symbol?

It is possible to write a factorial as a sum. Any idea what it would look like?

Can we express the product of the first n natural numbers without using the factorial symbol?

It is possible to write a factorial as a sum. Any idea what it would look like?

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