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find-f-x-0-x-t-1-t-4-dt-with-x-gt-0-




Question Number 30506 by abdo imad last updated on 22/Feb/18
find f(x) =∫_0 ^x    (t/(1+t^4 ))dt with x>0.
$${find}\:{f}\left({x}\right)\:=\int_{\mathrm{0}} ^{{x}} \:\:\:\frac{{t}}{\mathrm{1}+{t}^{\mathrm{4}} }{dt}\:{with}\:{x}>\mathrm{0}. \\ $$

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