Question Number 979 by 123456 last updated on 11/May/15 $$\mathrm{how}\:\mathrm{to}\:\mathrm{proof}\:\mathrm{that}\:{f}\left({x},{y}\right)={xy}\:\mathrm{is}\:\mathrm{of}\:\mathrm{class} \\ $$$$\mathrm{C}^{\infty} \:\mathrm{near}\:\mathrm{some}\:\mathrm{region}\:\mathrm{of}\:\mathrm{0}? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 976 by 123456 last updated on 11/May/15 $$\begin{cases}{\mathrm{tan}\:{x}\:\mathrm{tan}\:\left({y}−{z}\right)={a}}\\{\mathrm{tan}\:{y}\:\mathrm{tan}\:\left({z}−{x}\right)={b}}\\{\mathrm{tan}\:{z}\:\mathrm{tan}\:\left({x}−{y}\right)={c}}\end{cases} \\ $$$$\mathrm{for}\:\mathrm{wich}\:\mathrm{values}\:\mathrm{of}\:{a},{b},{c}\:\mathrm{the}\:\mathrm{system} \\ $$$$\mathrm{have}\:\mathrm{solutions}? \\ $$$$\left({x},{y},{z},{a},{b},{c}\right)\in\mathbb{R}^{\mathrm{6}} \\ $$ Commented by 123456 last updated on 11/May/15…
Question Number 956 by 123456 last updated on 07/May/15 $$\mathrm{compute}\:\underset{\gamma} {\int}\boldsymbol{{v}}\centerdot{d}\boldsymbol{{r}}\:\mathrm{where} \\ $$$$\boldsymbol{{v}}={yz}\boldsymbol{{i}}+{xz}\boldsymbol{{j}}+{xy}\boldsymbol{{k}} \\ $$$$\mathrm{and}\:\gamma\:\mathrm{is}\:\mathrm{intersection}\:\mathrm{of}\:{x}^{\mathrm{2}} +{y}^{\mathrm{2}} =\mathrm{1}\:\mathrm{with} \\ $$$${z}={xy}\:\mathrm{orinted}\:\mathrm{in}\:\mathrm{the}\:\mathrm{way}\:\mathrm{that}\:\mathrm{the} \\ $$$$\mathrm{prpjection}\:\mathrm{on}\:{xy}\:\mathrm{travel}\:\mathrm{by}\:\circlearrowleft \\ $$ Terms of…
Question Number 66497 by ketto2 last updated on 16/Aug/19 Answered by MJS last updated on 16/Aug/19 $$\mathrm{all}\:\mathrm{the}\:\mathrm{money}\:=\mathrm{1} \\ $$$$\mathrm{1}−\frac{\mathrm{5}}{\mathrm{11}}−\frac{\mathrm{7}}{\mathrm{12}}×\left(\mathrm{1}−\frac{\mathrm{5}}{\mathrm{11}}\right)=\frac{\mathrm{6}}{\mathrm{11}}−\frac{\mathrm{7}}{\mathrm{12}}×\frac{\mathrm{6}}{\mathrm{11}}=\frac{\mathrm{6}}{\mathrm{11}}−\frac{\mathrm{7}}{\mathrm{22}}=\frac{\mathrm{5}}{\mathrm{22}} \\ $$ Terms of Service Privacy…
Question Number 66489 by rajesh4661kumar@gmail.com last updated on 16/Aug/19 Answered by $@ty@m123 last updated on 16/Aug/19 $${x}=\mathrm{4} \\ $$$${y}=\mathrm{9} \\ $$ Commented by rajesh4661kumar@gmail.com last…
Question Number 934 by 123456 last updated on 29/Apr/15 $$\mathrm{if} \\ $$$$\:\:\:\:{x}\mathrm{2}{z} \\ $$$$\:\:\:\:\mathrm{2}{z}\mathrm{4} \\ $$$$+\mathrm{52}{x} \\ $$$$={yyy} \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{possible}\:\mathrm{values}\:\mathrm{of}\:{x}+{y}+{z} \\ $$ Answered by prakash…
Question Number 66467 by mathmax by abdo last updated on 15/Aug/19 $${calculate}\:{A}_{{n}} =\int_{\mathrm{0}} ^{\infty} \:\:\:\:\frac{{dx}}{\left({n}+{x}^{{n}} \right)^{\mathrm{2}} }\:\:\:{with}\:{n}>\mathrm{1} \\ $$ Commented by mathmax by abdo last…
Question Number 66461 by adeee last updated on 15/Aug/19 $${x}\left({n}\right)=\mathrm{3}{n}^{\mathrm{2}} −\mathrm{2}{n}+\mathrm{7} \\ $$$${find}\:{even}\:{and}\:{odd}\:{component} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 922 by 123456 last updated on 25/Apr/15 $$\mathrm{find}\:\mathrm{the}\:\mathrm{fourier}\:\mathrm{serie}\:\mathrm{of} \\ $$$${f}\left({t}\right)=\mathrm{sinh}\left({t}\right) \\ $$$$\mathrm{into}\:\mathrm{the}\:\mathrm{interval}\:\left(−\mathrm{1},+\mathrm{1}\right) \\ $$ Answered by prakash jain last updated on 25/Apr/15 $${F}\left({w}\right)=\underset{{k}=−\infty}…
Question Number 66439 by Rio Michael last updated on 15/Aug/19 $${for}\:{a}\:{geometric}\:{series}. \\ $$$${can}\:{the}\:{sun}\:{to}\:{infinty}\:{use}\:{the}\:{two}\:{formulas} \\ $$$${S}_{\infty} =\:\frac{{a}}{\mathrm{1}−{r}}\:\:\mid{r}\mid\:\:<\mathrm{1}\:\:{and}\:{S}_{\infty} \:=\:\frac{{a}}{{r}−\mathrm{1}}\:\mid{r}\mid\:>\:\mathrm{1}\:??\:{please}\:{i}\:{am}\:{getting}\:{confused}\:{on}\:{this}. \\ $$ Commented by JDamian last updated on…