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calculate-lim-x-x-1-cos-pi-x-




Question Number 32278 by abdo imad last updated on 22/Mar/18
calculate lim_(x→+∞) (x−1)cos((π/x)) .
$${calculate}\:{lim}_{{x}\rightarrow+\infty} \left({x}−\mathrm{1}\right){cos}\left(\frac{\pi}{{x}}\right)\:. \\ $$

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