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Kenneth Rosen Edition 7 Exercise 2.4 Question 45 (Page No. 170)

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Recall that the value of the factorial function at a positive integer $n,$ denoted by $n!,$ is the product of the positive integers from $1$ to $n,$ inclusive. Also, we specify that $0! = 1.$

  1. $\displaystyle{}\sum_{i=0}^{4} j\:!$
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Kenneth Rosen Edition 7 Exercise 2.3 Question 45 (Page No. 154)
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