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find-lim-x-x-4-1-cotan-1-x-




Question Number 40089 by maxmathsup by imad last updated on 15/Jul/18
find  lim _(x→−∞)      ((x^4  +1)/(cotan((1/x))))
$${find}\:\:{lim}\:_{{x}\rightarrow−\infty} \:\:\:\:\:\frac{{x}^{\mathrm{4}} \:+\mathrm{1}}{{cotan}\left(\frac{\mathrm{1}}{{x}}\right)} \\ $$

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