a) \frac{n!}{(n-1)!} = 5
Added by Isaiah C.
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Step 1
We know that n! is equal to n multiplied by (n-1) factorial. So, we can rewrite the equation as: n * (n-1)! = (n-1)! Now, let's cancel out the (n-1)! on both sides of the equation: n = 1 Show more…
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