Question Number 128654 by john_santu last updated on 09/Jan/21
$$\:\underset{{x}\rightarrow\pi/\mathrm{4}} {\mathrm{lim}}\:\:\left[\:\frac{\sqrt[{\mathrm{3}}]{\mathrm{tan}\:\mathrm{x}}\:−\mathrm{1}}{\mathrm{2sin}\:^{\mathrm{2}} \mathrm{x}−\mathrm{1}}\:\right]\:=? \\ $$
Answered by bemath last updated on 09/Jan/21