Question Number 102336 by 175mohamed last updated on 08/Jul/20 $${if}\:\:{f}\left({x}\right)\leqslant\mathrm{2}{l}\:+\mathrm{1}\: \\ $$$${and}\:\:\int_{\mathrm{1}} ^{\mathrm{3}} {f}\left({x}\right){dx}\leqslant{l}^{\mathrm{2}} \\ $$$${find}\:{the}\:{value}\:{of}\:{l} \\ $$ Commented by mr W last updated on…
Question Number 36775 by Rio Mike last updated on 05/Jun/18 $$\:{find}\:{the}\:{interval}\:{of}\:{convergence} \\ $$$$\:{of}\:\:\:\underset{{n}=\mathrm{1}} {\overset{+\infty} {\sum}}\frac{\left({x}−\mathrm{2}\right)^{\mathrm{2}} }{{n}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 36771 by tanmay.chaudhury50@gmail.com last updated on 05/Jun/18 $${i}\:{have}\:{a}\:{suggestion}…{pls}\:{request}\:{members} \\ $$$${of}\:{the}\:{forum}\:{to}\:{post}\:{four}\:{to}\:{five}\:{question} \\ $$$${so}\:{that}\:{we}\:{get}\:{time}\:{to}\:{solve}\:{them}…{there}\:{is}\: \\ $$$${flood}\:{of}\:{questions}…{so}\:{little}\:{time}\:{to}\:{see}\:{all}\:{post} \\ $$$${pls}\:{give}\:{comment}\:{if}\:{you}\:{agree}\:{wkth}\:{it}… \\ $$ Commented by NECx last updated…
Question Number 36739 by tawa tawa last updated on 04/Jun/18 $$\mathrm{If}\:\:\:\mathrm{x}\:=\:\mathrm{a}\left(\mathrm{1}\:−\:\mathrm{cos}\theta\right)\mathrm{i}\:\:+\:\:\mathrm{asin}\theta\:\mathrm{j} \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{resultant}\:\mathrm{of}\:\mathrm{x}\:\mathrm{in}\:\mathrm{its}\:\mathrm{simplest}\:\mathrm{form}. \\ $$ Commented by prof Abdo imad last updated on 05/Jun/18 $${x}\:=\:\mathrm{2}{a}\:{sin}^{\mathrm{2}}…
Question Number 36714 by Rio Mike last updated on 04/Jun/18 $${Given}\:{the}\:{matrix} \\ $$$$\begin{pmatrix}{\mathrm{3}{c}+\mathrm{1}\:\:\:\:\:\:\:\:\mathrm{5}\:}\\{{c}\:\:\:\:\:\:\:\:\:\:\:\:\:\:{c}}\end{pmatrix}\:{is}\:{singular}\: \\ $$$${find}\:{the}\:{value}\:{of}\:{c}\:{and}\: \\ $$$${find}\:{x}\:{if}\:{y}\:=\:{mx}\:+\:{c}\:{are}\:{all} \\ $$$${natural}\:{numbers} \\ $$$$ \\ $$ Terms of…
Question Number 36711 by Rio Mike last updated on 04/Jun/18 $$\:\:{The}\:\:{first}\:{term}\:{in}\:{an}\:{AP}\:{is}\:{the}\: \\ $$$$\mathrm{3}{rd}\:{term}\:{in}\:{A}\:{GP}\:,\:{the}\:\mathrm{5}{th}\:{term}\:{is} \\ $$$$\mathrm{30}\:{for}\:{the}\:{AP},\:{and}\:{the}\:\mathrm{12}{th}\:{term} \\ $$$${of}\:{the}\:{GP}\:{is}\:\mathrm{64},{find}\:{the}\:{sum}\:{to} \\ $$$${infinity}. \\ $$ Terms of Service Privacy…
Question Number 36703 by saikiran last updated on 04/Jun/18 $${show}\:{that}\:{f}\left({x}\right)=\mathrm{sin}\:{X}\:{is}\:{derivable}\:{at}\:{every}\:{a}\varepsilon{R} \\ $$ Commented by abdo mathsup 649 cc last updated on 04/Jun/18 $${we}\:{have}\:{for}\:{all}\:{x}\:\in{R} \\ $$$${lim}_{{h}\rightarrow\mathrm{0}}…
Question Number 167773 by LEKOUMA last updated on 24/Mar/22 $${Calculate} \\ $$$$\int\frac{{x}\mathrm{tan}\:{x}}{\mathrm{cos}\:^{\mathrm{4}} {x}}{dx} \\ $$ Answered by qaz last updated on 25/Mar/22 $$\mathrm{I}=\int\frac{\mathrm{xtan}\:\mathrm{x}}{\mathrm{cos}\:^{\mathrm{4}} \mathrm{x}}\mathrm{dx} \\…
Question Number 167757 by LEKOUMA last updated on 24/Mar/22 $${Calculate} \\ $$$$\int\mathrm{sec}\:^{\mathrm{2}} {x}\mathrm{sec}\:{xdx} \\ $$ Commented by MJS_new last updated on 24/Mar/22 $$\mathrm{sec}^{\mathrm{2}} \:{x}\:\mathrm{sec}\:{x}\:{dx}=\mathrm{sec}^{\mathrm{3}} \:{x}\:{dx}…
Question Number 167740 by LEKOUMA last updated on 24/Mar/22 $${I}_{{n}} =\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{4}}} \frac{\mathrm{1}}{\mathrm{cos}\:^{\mathrm{2}{n}+\mathrm{1}} {x}}{dx} \\ $$$${Prove}\:{by}\:{parts}\:{that}: \\ $$$$\mathrm{2}{nI}_{{n}} =\left(\mathrm{2}{n}−\mathrm{1}\right){I}_{{n}−\mathrm{1}} +\frac{\mathrm{2}^{{n}} }{\:\sqrt{\mathrm{2}}} \\ $$ Terms of…