Find a closed form for
$$s_n = 1 \cdot 1! + 2 \cdot 2! + \ldots + n \cdot n! .$$
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Mathematics, 05.11.2019 20:31 petroale000
Find a closed form for
$$s_n = 1 \cdot 1! + 2 \cdot 2! + \ldots + n \cdot n! .$$
for integer $n \geq 1.$ your response should have a factorial.
Answers: 3
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