Question Number 2272 by Rasheed Soomro last updated on 12/Nov/15 $${f}\left(\frac{−\mathrm{1}}{{x}−\mathrm{1}}\right)+{f}\left(\frac{{x}−\mathrm{1}}{{x}}\right)=\frac{\mathrm{2}{x}−\mathrm{1}}{{x}} \\ $$$${f}\left({x}\right)=? \\ $$$${Stepwise}\:{process}\:{is}\:{required}. \\ $$ Answered by Rasheed Soomro last updated on 16/Nov/15…
Question Number 133341 by mohammad17 last updated on 21/Feb/21 Answered by mathmax by abdo last updated on 21/Feb/21 $$\left.\mathrm{1}\right)\mathrm{f}\left(\mathrm{x}\right)=\mathrm{x}^{\mathrm{3}} \:+\mathrm{4x}^{\mathrm{2}} −\mathrm{10}\:\:\:\:\Rightarrow\mathrm{f}^{'} \left(\mathrm{x}\right)=\mathrm{3x}^{\mathrm{2}} \:+\mathrm{8x}\:>\mathrm{0}\:\mathrm{on}\left[\mathrm{1},\mathrm{2}\right]\:\Rightarrow\mathrm{f}\:\mathrm{is}\:\mathrm{increazing} \\ $$$$\mathrm{on}\:\left[\mathrm{1},\mathrm{2}\right]\:\mathrm{we}\:\mathrm{have}\:\mathrm{f}\left(\mathrm{1}\right)=\mathrm{5}−\mathrm{10}=−\mathrm{5}<\mathrm{0}\:\mathrm{and}\:\mathrm{f}\left(\mathrm{2}\right)=\mathrm{8}+\mathrm{16}−\mathrm{10}=\mathrm{14}>\mathrm{0}\:\Rightarrow…
Question Number 67807 by TawaTawa last updated on 31/Aug/19 Commented by MJS last updated on 01/Sep/19 $$\mathrm{perimeter}\:\mathrm{or}\:\mathrm{area}? \\ $$ Commented by TawaTawa last updated on…
Question Number 133337 by mohammad17 last updated on 21/Feb/21 Commented by Dwaipayan Shikari last updated on 21/Feb/21 $${x}=\mathrm{3}\:{y}=\mathrm{1}\:{z}=\mathrm{2} \\ $$ Commented by mohammad17 last updated…
Question Number 2265 by B744237509 last updated on 12/Nov/15 $$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{\mathrm{3}{x}+{sin}\mathrm{2}{x}}{\mathrm{2}{x}+{sin}\mathrm{3}{x}}=? \\ $$$$ \\ $$$$ \\ $$ Answered by Filup last updated on 12/Nov/15 $$=\underset{{x}\rightarrow\mathrm{0}}…
Question Number 67799 by mathmax by abdo last updated on 31/Aug/19 $${calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{dx}}{\left({x}^{\mathrm{2}} \:−{e}^{{ia}} \right)\left({x}^{\mathrm{2}} −{e}^{{ib}} \right)}\:\:{with}\:{a}>\mathrm{0}\:{andb}>\mathrm{0} \\ $$ Commented by MJS last updated…
Question Number 133335 by Ahmed1hamouda last updated on 21/Feb/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 133334 by mnjuly1970 last updated on 21/Feb/21 $$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:…\:{nice}\:\:\:\:\:\:{calculus}… \\ $$$$\:{prove}\:\:{that}:: \\ $$$$\:\:\:\boldsymbol{\phi}=\int_{−\infty} ^{\:+\infty} \frac{\:{cosh}\left({px}\right)}{{cosh}\left({x}\right)}\:=\:\frac{\pi}{{cos}\left(\frac{\pi{p}}{\mathrm{2}}\right)} \\ $$$$ \\ $$ Answered by mnjuly1970 last updated…
let-A-p-0-pi-x-p-cos-nx-dx-1-calculate-A-0-A-1-A-2-2-determine-a-relation-of-recurrence-between-A-p-
Question Number 67795 by mathmax by abdo last updated on 31/Aug/19 $${let}\:\:{A}_{{p}} =\int_{\mathrm{0}} ^{\pi} \:{x}^{{p}} \:{cos}\left({nx}\right){dx} \\ $$$$\left.\mathrm{1}\right)\:{calculate}\:{A}_{\mathrm{0}} ,{A}_{\mathrm{1}} ,{A}_{\mathrm{2}} \\ $$$$\left.\mathrm{2}\right){determine}\:{a}\:{relation}\:{of}\:{recurrence}\:{between}\:\:{A}_{{p}} \\ $$ Commented…
Question Number 2258 by Filup last updated on 12/Nov/15 $$\mathrm{Solve}\:\mathrm{the}\:\mathrm{following}\:\mathrm{sum}: \\ $$$$\underset{{i}=\mathrm{1}} {\overset{\infty} {\sum}}\left(−\mathrm{1}\right)^{{i}+\mathrm{1}} {ix}^{{i}} ={x}−\mathrm{2}{x}^{\mathrm{2}} +\mathrm{3}{x}^{\mathrm{3}} −\mathrm{4}{x}^{\mathrm{4}} +… \\ $$ Commented by Filup last…