Question Number 57736 by Hassen_Timol last updated on 10/Apr/19 $${Can}\:{we}\:{use}\:{L}'{H}\hat {{o}pital}'{s}\:{rule}\:{if}\:{we}\:{have} \\ $$$${a}\:{fraction}\:{in}\:{the}\:{form}\:\left(+\infty\right)/\left(−\infty\right)\:\:\:? \\ $$ Answered by MJS last updated on 10/Apr/19 $$\mathrm{yes} \\ $$…
Question Number 123267 by mohammad17 last updated on 24/Nov/20 $${if}\:{f}\left({x}\right)=\mid\mathrm{3}−{x}\mid\:{find}\:\left({f}^{\:\mathrm{2}} \right)^{'} \left(\mathrm{1}\right)\:\:? \\ $$ Commented by MJS_new last updated on 24/Nov/20 $$\mathrm{if}\:\mathrm{you}\:\mathrm{mean}\:\left(\left({f}\left({x}\right)\right)^{\mathrm{2}} \right)' \\ $$$$\left({f}\left({x}\right)\right)^{\mathrm{2}}…
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Question Number 123254 by Maclaurin Stickker last updated on 24/Nov/20 $${A}\:{patient}\:{get}\:{a}\:{test}\:{for}\:{a}\:{disease}\:{that}\: \\ $$$${indicates}\:{positive}\:{in}\:\mathrm{95\%}\:{of}\:{cases}\:{when} \\ $$$${the}\:{patient}\:{has}\:{the}\:{disease}\:{and}\:\mathrm{10\%} \\ $$$${when}\:{the}\:{patient}\:{isn}'{t}\:{sick}.\:{What}\:{is} \\ $$$${the}\:{probability}\:{he}'{s}\:{not}\:{sick},\:{knowing} \\ $$$${that}\:{the}\:{test}\:{is}\:{positive}? \\ $$ Terms of…
Question Number 123256 by ZiYangLee last updated on 24/Nov/20 $$\frac{\mathrm{3}}{\mathrm{1}!+\mathrm{2}!+\mathrm{3}!}+\frac{\mathrm{4}}{\mathrm{2}!+\mathrm{3}!+\mathrm{4}!}+\frac{\mathrm{5}}{\mathrm{3}!+\mathrm{4}!+\mathrm{5}!}+\ldots+\frac{\mathrm{100}}{\mathrm{98}!+\mathrm{99}!+\mathrm{100}!}=? \\ $$ Commented by ZiYangLee last updated on 24/Nov/20 $${answer}\:{given}:\:\frac{\mathrm{1}}{\mathrm{2}!}−\frac{\mathrm{1}}{\mathrm{100}!} \\ $$ Commented by zarminaawan…
Question Number 123240 by lémùst last updated on 24/Nov/20 $${proof}\:\mid\frac{\mid{nx}\mid}{{n}}\mid=\mid{x}\mid;\:{n}\in{N} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 57700 by Nameed last updated on 10/Apr/19 $$\mathrm{R}\left(\mathrm{1}\:−\:\mathrm{cos}\theta\right)\:=\:\mathrm{0}.\mathrm{5} \\ $$$$\mathrm{Rsin}\theta\:=\:\mathrm{4} \\ $$$$\mathrm{R}\:=\:? \\ $$$$\theta\:=\:? \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 10/Apr/19…
Question Number 123232 by mohammad17 last updated on 24/Nov/20 $${prove}\:{that}\:{cot}\mathrm{5}{x}=\frac{\mathrm{1}−\mathrm{10}{tan}^{\mathrm{2}} {x}+\mathrm{5}{tan}^{\mathrm{4}} {x}}{{tan}^{\mathrm{5}} {x}−\mathrm{10}{tan}^{\mathrm{3}} {x}+\mathrm{5}{tanx}}\:? \\ $$ Answered by $@y@m last updated on 24/Nov/20 $$\mathrm{tan}\:\left(\mathrm{2}{x}+\mathrm{3}{x}\right)=\frac{\mathrm{tan}\:\mathrm{2}{x}+\mathrm{tan}\:\mathrm{3}{x}}{\mathrm{1}−\mathrm{tan}\:\mathrm{2}{x}.\mathrm{tan}\:\mathrm{3}{x}} \\…
Question Number 188761 by sciencestudentW last updated on 06/Mar/23 $${How}\:{we}\:{can}\:{use}\:{the}\:{polynomial}\:{in}\: \\ $$$${daily}\:{life}?\:{please}\:{tell}\:{me}\:{an}\:{example}! \\ $$ Commented by ajfour last updated on 07/Mar/23 $${fnd}\:{a}\:{very}\:{simple}\:{formula}\:{to} \\ $$$${solve}\:{general}\:{quintic}\:{and}\:{amaze} \\…