Question Number 149291 by mathdanisur last updated on 04/Aug/21 $${f}\left({x}\right)\:=\:\mathrm{2}{sinx}^{\mathrm{2}} −{cos}^{\mathrm{2}} {x}−\mathrm{2} \\ $$$${f}\:^{'} \left({x}\right)\:=\:? \\ $$ Answered by nimnim last updated on 04/Aug/21 $${f}\:'\left({x}\right)=\mathrm{4}{x}.{cosx}^{\mathrm{2}}…
Question Number 83750 by M±th+et£s last updated on 05/Mar/20 $${I}=\int{e}^{{x}} \:{tan}\left({x}\right)\:{dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 18214 by chux last updated on 16/Jul/17 $$\mathrm{The}\:\mathrm{speeds}\:\mathrm{of}\:\mathrm{Daniel}\:\mathrm{and}\:\mathrm{Robert} \\ $$$$\mathrm{are}\:\mathrm{in}\:\mathrm{the}\:\mathrm{ratio}\:\mathrm{of}\:\mathrm{3}:\mathrm{4}.\mathrm{In}\:\mathrm{a}\:\mathrm{race}\:\mathrm{of} \\ $$$$\mathrm{300m}\:\mathrm{Daniel}\:\mathrm{has}\:\mathrm{a}\:\mathrm{start}\:\mathrm{of}\:\mathrm{90m}.\: \\ $$$$\mathrm{Daniel}\:\mathrm{won}\:\mathrm{by}? \\ $$ Answered by ajfour last updated on 17/Jul/17…
Question Number 18213 by chux last updated on 16/Jul/17 $$\mathrm{The}\:\mathrm{greatest}\:\mathrm{number}\:\mathrm{that}\:\mathrm{will} \\ $$$$\mathrm{divide}\:\mathrm{82}\:,\mathrm{111}\:\mathrm{and}\:\mathrm{140}\:\mathrm{leaving}\:\mathrm{the}\: \\ $$$$\mathrm{same}\:\mathrm{remainder}\:\mathrm{in}\:\mathrm{each}\:\mathrm{case}\:\mathrm{is}…….. \\ $$ Answered by Tinkutara last updated on 17/Jul/17 $$\mathrm{82}\:=\:{xa}\:+\:{r} \\…
Question Number 18209 by b.e.h.i.8.3.417@gmail.com last updated on 16/Jul/17 Commented by b.e.h.i.8.3.417@gmail.com last updated on 16/Jul/17 $${excuse}\:{me}\:{for}\:{reposting}\:{this}. \\ $$ Answered by b.e.h.i.8.3.417@gmail.com last updated on…
Question Number 18206 by 99 last updated on 16/Jul/17 $$\mathrm{1}+\frac{\mathrm{1}×\mathrm{3}}{\mathrm{6}}+\frac{\mathrm{1}×\mathrm{3}×\mathrm{5}}{\mathrm{6}×\mathrm{8}}+…\infty \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 149273 by john_santu last updated on 04/Aug/21 $$\:\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{4}}} \:\frac{\mathrm{e}^{\mathrm{tan}\:\mathrm{x}} \:\mathrm{sin}\:^{\mathrm{2}} \mathrm{x}}{\mathrm{cos}\:^{\mathrm{4}} \mathrm{x}}\:\mathrm{dx}\:=? \\ $$ Answered by Ar Brandon last updated on 04/Aug/21…
Question Number 83739 by jagoll last updated on 05/Mar/20 $$\mathrm{what}\:\mathrm{is}\:\mathrm{minimum}\:\mathrm{value}\:\mathrm{of}\: \\ $$$$\mathrm{f}\left(\mathrm{x}\right)\:=\:\left(\mathrm{sin}\:\mathrm{x}+\:\mathrm{csc}\:\mathrm{x}\:\right)^{\mathrm{2}} +\mathrm{sec}\:\mathrm{x}\:+\:\mathrm{cos}\:\mathrm{x} \\ $$ Commented by MJS last updated on 05/Mar/20 $$−\infty \\ $$$$\mathrm{local}\:\mathrm{minima}\:\mathrm{at}…
Question Number 18202 by Tinkutara last updated on 16/Jul/17 $$\mathrm{An}\:\mathrm{open}\:\mathrm{vessel}\:\mathrm{at}\:\mathrm{27}°\mathrm{C}\:\mathrm{is}\:\mathrm{heated}\:\mathrm{until} \\ $$$$\frac{\mathrm{3}}{\mathrm{5}}\:\mathrm{parts}\:\mathrm{of}\:\mathrm{the}\:\mathrm{air}\:\mathrm{in}\:\mathrm{it}\:\mathrm{has}\:\mathrm{been}\:\mathrm{expelled}. \\ $$$$\mathrm{Assuming}\:\mathrm{that}\:\mathrm{the}\:\mathrm{volume}\:\mathrm{of}\:\mathrm{the}\:\mathrm{vessel} \\ $$$$\mathrm{remains}\:\mathrm{constant},\:\mathrm{find}\:\mathrm{the}\:\mathrm{temperature} \\ $$$$\mathrm{to}\:\mathrm{which}\:\mathrm{the}\:\mathrm{vessel}\:\mathrm{has}\:\mathrm{been}\:\mathrm{heated}. \\ $$ Answered by ajfour last updated…
Question Number 149275 by BHOOPENDRA last updated on 04/Aug/21 Terms of Service Privacy Policy Contact: info@tinkutara.com