Determine whether the statement is true or false. Justify your answer. 1. (n + 2)! / n!
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1. (n + 2)! / n! = n + 2 / n
2.
3.
4.
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5 5 2(i3 + 2i) = Ei³ Si3 + Σ2: i=1 i=1 i=1 2 3k = 3 k k=1 k=1
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