Question Number 9379 by FilupSmith last updated on 03/Dec/16 $${S}=\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\left(−{n}\right)^{\mathrm{1}−{n}} \\ $$$${S}=?? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 9325 by tawakalitu last updated on 30/Nov/16 Answered by RasheedSoomro last updated on 30/Nov/16 $$\left(\mathrm{B}\right)\:\mathrm{12}\: \\ $$$$\mathrm{25}\equiv−\mathrm{1}\left(\mathrm{mod}\:\mathrm{13}\right) \\ $$$$\left(\mathrm{25}\right)^{\mathrm{15}} \equiv\left(−\mathrm{1}\right)^{\mathrm{15}} \left(\mathrm{mod}\:\mathrm{13}\right) \\ $$$$\left(\mathrm{25}\right)^{\mathrm{15}}…
Question Number 74817 by peter frank last updated on 01/Dec/19 Answered by mr W last updated on 03/Dec/19 $${parallel}\:{chords}: \\ $$$${y}={mx}+{k} \\ $$$${x}\left({mx}+{k}\right)={c}^{\mathrm{2}} \\ $$$${mx}^{\mathrm{2}}…
Question Number 74819 by Raxreedoroid last updated on 01/Dec/19 $$\mathrm{Expand}\:\Sigma \\ $$$$\frac{\mathrm{4}{n}−\mathrm{1}}{\mathrm{3}}+\frac{\mathrm{2}}{\mathrm{3}}\underset{{k}=\mathrm{1}} {\overset{{n}−\mathrm{1}} {\sum}}{cos}\left(\mathrm{120}{k}\right) \\ $$ Commented by mathmax by abdo last updated on 01/Dec/19…
Question Number 9250 by tawakalitu last updated on 25/Nov/16 Commented by sou1618 last updated on 26/Nov/16 Commented by tawakalitu last updated on 26/Nov/16 $$\mathrm{Wow}.\:\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir}. \\…
Question Number 9189 by raj bunsha last updated on 22/Nov/16 $${x}+{y}+{z}=−\mathrm{6} \\ $$$${xy}+{xz}+{yz}=\mathrm{11} \\ $$$${xyz}=−\mathrm{6} \\ $$$${then}\:{wbat}\:{are}\:{thd}\:{value}\:{of}\:{x}\:{yand}\:{z} \\ $$ Answered by mrW last updated on…
Question Number 74622 by Raxreedoroid last updated on 27/Nov/19 $$\mathrm{Expand} \\ $$$$\mathrm{1}+\frac{\mathrm{2}}{\mathrm{3}}\centerdot\left(\underset{{k}=\mathrm{1}} {\overset{{n}−\mathrm{1}} {\sum}}\left[{cos}\left(\frac{\mathrm{2}\pi}{\mathrm{3}}{x}\right)\right]+\mathrm{2}{n}−\mathrm{2}\right) \\ $$ Commented by Raxreedoroid last updated on 28/Nov/19 $$\mathrm{No}\:\mathrm{its}\:\mathrm{just}\:\mathrm{to}\:\mathrm{clarify}\:\mathrm{whats}\:\mathrm{inside}\:\mathrm{sigma} \\…
Question Number 74617 by Raxreedoroid last updated on 27/Nov/19 $$\mathrm{Expand} \\ $$$$\mathrm{1}+\underset{{k}=\mathrm{1}} {\overset{{n}−\mathrm{1}} {\sum}}\left[\mid\frac{\mathrm{2}\sqrt{\mathrm{3}}}{\mathrm{3}}{sin}\left(\mathrm{120}{x}\right)\mid+\mathrm{2}\right] \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 9041 by tawakalitu last updated on 16/Nov/16 Commented by sou1618 last updated on 16/Nov/16 $$ \\ $$$$ \\ $$$$\begin{pmatrix}{}&{{X}}&{}\\{{A}}&{{B}}&{{C}}\end{pmatrix} \\ $$$${X}=\frac{{A}×{B}×{C}}{\mathrm{10}} \\ $$…
Question Number 74573 by Raxreedoroid last updated on 26/Nov/19 $$\mathrm{Find}\:\left(\mathrm{turn}\:\mathrm{it}\:\mathrm{into}\:\mathrm{non}-\mathrm{segma}\:\mathrm{expression}\right) \\ $$$$\mathrm{1}+\underset{{k}=\mathrm{1}} {\overset{{n}−\mathrm{1}} {\sum}}\frac{\left(−\mathrm{1}\right)^{{k}} +\mathrm{3}}{\mathrm{2}} \\ $$ Commented by mathmax by abdo last updated on…