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Alright before you multiply from 1 to 10. We've all done the addition of 1 to 10, which is shortened to the trapezoid formula by Gauss while he was in elementary school.
Therefore, sum of 1 to 10 is (base 1) + (top 10) * (height 5) = 55
Now I want a formula for multiplication from 1 to 10


easy its 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10

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Stirling's approximation is probably the closest thing to what you're looking for.
