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let-x-gt-0-and-f-x-x-e-t-t-dt-1-calculate-f-x-2-find-lim-x-xf-x-and-lim-x-0-xf-x-




Question Number 32721 by caravan msup abdo. last updated on 31/Mar/18
let x>0 and f(x)=∫_x ^(+∞)   (e^(−t) /t)dt  1)calculate f^′ (x)  2) find lim_(x→+∞) xf(x) and lim_(x→0^+ ) xf(x).
letx>0andf(x)=x+ettdt1)calculatef(x)2)findlimx+xf(x)andlimx0+xf(x).

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