Question Number 134519 by sachin1221 last updated on 04/Mar/21 $${why}\:{sinx}\:{is}\:{not}\:{differentiable}\:{at}\:{x}={n}\pi \\ $$ Commented by JDamian last updated on 04/Mar/21 seriously? Answered by physicstutes last updated…
Question Number 68977 by TawaTawa last updated on 17/Sep/19 Commented by kaivan.ahmadi last updated on 17/Sep/19 $${one}\:{solved}\:{this}\:{problem}\:{later},{you}\:{can}\:{find}\:{it}. \\ $$$${the}\:{answer}\:{was}\:\mathrm{30}\:{degree} \\ $$ Commented by Prithwish sen…
Question Number 134509 by mohammad17 last updated on 04/Mar/21 Commented by mr W last updated on 04/Mar/21 $${a}\:{book}\:{full}\:{of}\:{misprint}… \\ $$ Commented by mohammad17 last updated…
Question Number 134511 by mohammad17 last updated on 04/Mar/21 Commented by mohammad17 last updated on 04/Mar/21 $${how}\:{can}\:{solve}\:{this} \\ $$ Commented by mohammad17 last updated on…
Question Number 134505 by Ñï= last updated on 04/Mar/21 $${Prove}::\frac{{Li}_{\mathrm{3}} \left(\mathrm{1}\right)}{\mathrm{10}}=\int_{\mathrm{0}} ^{{ln}\frac{\sqrt{\mathrm{5}}+\mathrm{1}}{\mathrm{2}}} {x}^{\mathrm{2}} {coth}\left({x}\right){dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 68970 by Peculiar last updated on 17/Sep/19 $$\int\frac{\mathrm{3}{t}^{\mathrm{2}} }{\left(\mathrm{1}+{t}\right)^{\mathrm{15}} }\:{dt} \\ $$ Answered by Kunal12588 last updated on 17/Sep/19 $$\mathrm{1}+{t}={u} \\ $$$$\Rightarrow{t}={u}−\mathrm{1} \\…
Question Number 134506 by bemath last updated on 04/Mar/21 $$\mathrm{Given}\:\mathrm{g}\left(\mathrm{x}\right)\:=\:\frac{\mathrm{x}+\mathrm{11}}{\mathrm{x}−\mathrm{1}}\:;\:\mathrm{x}\neq\mathrm{1}\: \\ $$$$\mathrm{If}\:\mathrm{f}\left(\mathrm{x}\right)+\mathrm{8}\left(\mathrm{f}\circ\mathrm{g}\right)\left(\mathrm{x}\right)=\:\mathrm{15}−\mathrm{x}\:,\:\mathrm{find} \\ $$$$\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{f}\left(\mathrm{13}\right). \\ $$ Answered by EDWIN88 last updated on 04/Mar/21 $$\mathrm{first}\:\mathrm{step}\:,\:\mathrm{we}\:\mathrm{must}\:\mathrm{find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\begin{cases}{\mathrm{g}\left(\mathrm{2}\right)}\\{\mathrm{g}\left(\mathrm{13}\right)}\end{cases} \\…
Question Number 68966 by anaplak last updated on 17/Sep/19 Commented by kaivan.ahmadi last updated on 17/Sep/19 $${lim}_{{x}\rightarrow\frac{\pi^{+} }{\mathrm{2}}} \frac{\mathrm{1}}{{cosx}}=\frac{\mathrm{1}}{\mathrm{0}^{−} }=−\infty \\ $$ Commented by anaplak…
Question Number 68967 by aliesam last updated on 17/Sep/19 Answered by mind is power last updated on 17/Sep/19 $${tg}\left(\frac{{x}}{\mathrm{2}}\right)={t} \\ $$$${dx}=\frac{\mathrm{2}{dt}}{\mathrm{1}+{t}^{\mathrm{2}} } \\ $$$$\Rightarrow{sin}\left({x}\right)=\frac{\mathrm{2}{t}}{\mathrm{1}+{t}^{\mathrm{2}} }\:\:{cos}\left({x}\right)=\frac{\mathrm{1}−{t}^{\mathrm{2}}…
Question Number 68964 by ahmadshah last updated on 17/Sep/19 Commented by mind is power last updated on 17/Sep/19 $${m}+{in}={e}^{{ia}} +{e}^{{ib}} \Rightarrow{m}^{\mathrm{2}} −{n}^{\mathrm{2}} +\mathrm{2}{imn}={e}^{{i}\mathrm{2}{a}} +{e}^{\mathrm{2}{ib}} +\mathrm{2}{e}^{{i}\left({a}+{b}\right)}…