Question Number 193677 by lapache last updated on 18/Jun/23
$${li}\underset{{x}\rightarrow\mathrm{1}} {{m}}\:\frac{\mathrm{2}{arctan}^{\mathrm{2}} {x}−\frac{\pi}{\mathrm{8}}}{{x}^{\mathrm{2}} −\mathrm{1}}=... \\ $$
Answered by cortano12 last updated on 18/Jun/23
$$\:\:\underline{\underbrace{\:}} \cancel{\:} \\ $$$$ \\ $$