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Question Number 133641 by mohammad17 last updated on 23/Feb/21

$$whatisthemeanofEi\left(x\right)andwhatis$$$$thefolmullaofEi\left(x\right)?$$

Answered by Dwaipayan Shikari last updated on 23/Feb/21

$$Ei\left(x\right)={\int }_0^x\frac{e^x}{x}dx$$$$or{\int }_0^x\frac{1}{log\left(x\right)}dx$$

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