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Question: What is Ei_1(x) when solving an integral?

Question:What is Ei_1(x) when solving an integral?

zenterix 355 Maple
integration special-function rtfm
November 10 2023
1

int(1/(x*exp(x)), x)

-Ei(1, x)

 (1)

int(1/(x^2*exp(x)), x)

-1/(x*exp(x))+Ei(1, x)

 (2)

NULLNULL

What is Ei1 in Maple?

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