Question Number 169809 by mokys last updated on 09/May/22 $${prove}\:{that}\:\int_{\mathrm{0}} ^{\:\infty} {x}^{{r}} \:.\:{e}^{{ax}} \:{dx}\:=\:\left(−{a}\right)^{−{r}−\mathrm{1}} \:.\Gamma\left({r}+\mathrm{1}\right) \\ $$ Commented by mokys last updated on 09/May/22 $$?????…
Question Number 169800 by SANOGO last updated on 09/May/22 $${soit}\:{f}\left({x},{y}\right)={x}^{\mathrm{5}} {y}^{\mathrm{2}} \left({x}−{y}\right) \\ $$$${montrer}\:{q}\:{ue}\:{f}\:{est}\:{differentiable}\:{au}\:{point}\:{a}=\left(\mathrm{2}−\mathrm{1}\right) \\ $$$${applique}\:{en}\:{h}=\left(\mathrm{1},\mathrm{1}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 169802 by MathsFan last updated on 09/May/22 $$ \\ $$Entry to a certain University is determined by a national test. The scores on…
Question Number 104265 by mohammad17 last updated on 20/Jul/20 $$\frac{{dy}}{{dx}}−{y}={sinx} \\ $$ Answered by bemath last updated on 20/Jul/20 $${Homogenous}\:{solution}\: \\ $$$$\lambda−\mathrm{1}=\mathrm{0}\:\Rightarrow\lambda=\mathrm{1}\:\Rightarrow{y}_{{h}} \:=\:{C}_{\mathrm{1}} {e}^{{x}} \\…
Question Number 169797 by mathocean1 last updated on 09/May/22 $${Calculate}\:{for}\:{n}\in\:\mathbb{N}^{\ast} :\int_{\mathrm{0}} ^{+\infty} \frac{{dt}}{\left({t}^{\mathrm{2}} +\mathrm{1}\right)^{{n}} } \\ $$$$\left({Notice}:\:\mathrm{1}=\left(\mathrm{1}+{t}^{\mathrm{2}} \right)−{t}^{\mathrm{2}} \right) \\ $$ Answered by floor(10²Eta[1]) last…
Question Number 169792 by mathocean1 last updated on 08/May/22 $${f}\:{is}\:{continuous}\:{on}\:\mathbb{R}^{+} \:{such}\:{that} \\ $$$$\int_{\mathrm{0}} ^{+\infty} {f}\left({t}\right){dt}\:{is}\:{convergent}. \\ $$$${Determinate}\:\underset{{x}\rightarrow+\infty} {{lim}}\int_{{x}} ^{{x}^{\mathrm{2}} } {f}\left({t}\right){dt}. \\ $$ Answered by…
Question Number 169790 by Ahmed777hamouda last updated on 08/May/22 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 38707 by Rio Mike last updated on 28/Jun/18 Commented by Rio Mike last updated on 28/Jun/18 $${The}\:{figure}\:{above}\:{shows}\:{the}\:{speed}\:{time} \\ $$$${graph}\:{for}\:{a}\:{train}\:{journey}.{OA},{AB} \\ $$$${and}\:{BC}\:{are}\:{parts}\:{of}\:{the}\:{line}\:{whose} \\ $$$${equations}\:{are}\:…
Question Number 169770 by Best1 last updated on 08/May/22 Commented by greougoury555 last updated on 08/May/22 $$\left({a}\right)\:{x}=\mathrm{40}°\:\:\left({b}\right){x}=\mathrm{80}°\:\:\:\:\left({c}\right)\:{x}=\mathrm{90}° \\ $$$$\left({d}\right)\:{x}=\mathrm{80}°\:\:\:\left({e}\right)\:{x}=\mathrm{20}°\:\:\:\left({f}\right)\:{x}=\:\mathrm{18}° \\ $$$$\: \\ $$ Commented by…
Question Number 104231 by abony1303 last updated on 20/Jul/20 Commented by abony1303 last updated on 20/Jul/20 $$\mathrm{pls}\:\mathrm{help}.\:\mathrm{Can}\:\mathrm{not}\:\mathrm{solve}\:\mathrm{this}\:\mathrm{during}\:\mathrm{2} \\ $$$$\mathrm{hours}. \\ $$ Commented by mathmax by…