Question Number 130559 by Ar Brandon last updated on 26/Jan/21
$$\underset{\mathrm{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\left\{\mathrm{2xsin}\left(\frac{\mathrm{1}}{\mathrm{x}}\right)−\mathrm{cos}\left(\frac{\mathrm{1}}{\mathrm{x}}\right)\right\} \\ $$
Answered by mathmax by abdo last updated on 26/Jan/21
$$\mathrm{no}\:\mathrm{limit} \\ $$