Question Number 169191 by qaz last updated on 25/Apr/22
$$\mathrm{Calculate}\:\:::\:\underset{\mathrm{x}\rightarrow−\mathrm{1}^{+} } {\mathrm{lim}}\left(\frac{\mathrm{1}}{\left(\pi−\mathrm{arccos}\:\mathrm{x}\right)^{\mathrm{2}} }−\frac{\mathrm{1}}{\mathrm{2}\left(\mathrm{1}+\mathrm{x}\right)}\right)=? \\ $$