Question Number 154652 by EDWIN88 last updated on 20/Sep/21
$$\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{1}−\mathrm{tan}\:\left({x}+\frac{\pi}{\mathrm{4}}\right)\mathrm{tan}\:\left(\mathrm{2}{x}+\frac{\pi}{\mathrm{4}}\right)\mathrm{tan}\:\left(\frac{\pi}{\mathrm{4}}−\mathrm{3}{x}\right)}{{x}^{\mathrm{3}} }=? \\ $$
Answered by bramlexs22 last updated on 20/Sep/21
Commented by mnjuly1970 last updated on 22/Sep/21
$$\:\:{answer}\:{is}\:\mathrm{24} \\ $$$$\:{equivallance}\:{must}\:{produce}\: \\ $$$${a}\:{power}\:{of}\:\:\:\:\mathrm{3}\:… \\ $$