Sum of sequence with accuracy

4 May 2020

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Hi, how can I find the sum of (-x)^n/n! with accuracy of 0.001, n goes fron 0 to infinity.

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darova on 4 May 2020

Please show your attempts. You can try symsum to calculate sum symbolically

You can compute the sum numerically

James Tursa on 4 May 2020

Edited: James Tursa on 4 May 2020

1 vote

exp(-x) will calculate that sum.

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