Question Number 139484 by ZiYangLee last updated on 27/Apr/21 $$\mathrm{If}\:\alpha,\beta\:\mathrm{and}\:\gamma\:\mathrm{are}\:\mathrm{the}\:\mathrm{interior}\:\mathrm{angles}\:\mathrm{of}\:\mathrm{a}\: \\ $$$$\mathrm{triangle},\:\mathrm{find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\begin{vmatrix}{\mathrm{tan}\:\alpha}&{\mathrm{1}}&{\mathrm{1}}\\{\mathrm{1}}&{\mathrm{tan}\:\beta}&{\mathrm{1}}\\{\mathrm{1}}&{\mathrm{1}}&{\mathrm{tan}\:\gamma}\end{vmatrix} \\ $$ Answered by MJS_new last updated on 27/Apr/21 $$\mathrm{2} \\…
Question Number 8416 by Chantria last updated on 10/Oct/16 $$\boldsymbol{{Solve}}\:\boldsymbol{{equation}}\: \\ $$$$\:\mathrm{1}.\:\boldsymbol{{x}}^{\mathrm{2}} +\boldsymbol{{y}}^{\mathrm{2}} =\boldsymbol{{x}}+\boldsymbol{{y}}+\mathrm{8}\:\:\:\:\:\:\:\left({x};{y}\:{be}\:{positive}\right) \\ $$$$\:\mathrm{2}.\:\boldsymbol{{x}}^{\mathrm{2}} −\mathrm{2}\sqrt{\boldsymbol{{x}}}+\mathrm{1}=\mathrm{0} \\ $$$$ \\ $$ Commented by Rasheed Soomro…
Question Number 139483 by qaz last updated on 27/Apr/21 $$\Gamma\left(\overset{−} {{z}}\right)=\overline {\Gamma\left({z}\right)}\:\:\:\:{why}? \\ $$ Answered by mnjuly1970 last updated on 27/Apr/21 $$\:\:{hint} \\ $$$$\:\:\Gamma\left({z}\right)={e}^{−\gamma{z}} \frac{\mathrm{1}}{{z}}\:\underset{{k}=\mathrm{1}}…
Question Number 8387 by arinto27 last updated on 09/Oct/16 Answered by ridwan balatif last updated on 10/Oct/16 $$\mathrm{1}.\mathrm{f}\left(\mathrm{x}\right)=\mathrm{5x}+\mathrm{1} \\ $$$$\:\:\:\:\:\:\mathrm{y}\:\:\:=\mathrm{5x}+\mathrm{1} \\ $$$$\:\:\:\:\:\:\mathrm{x}\:\:\:=\frac{\mathrm{y}−\mathrm{1}}{\mathrm{5}} \\ $$$$\mathrm{f}^{−\mathrm{1}} \left(\mathrm{x}\right)=\frac{\mathrm{x}−\mathrm{1}}{\mathrm{5}}\Leftrightarrow\mathrm{f}^{−\mathrm{1}}…
Question Number 139456 by SOMEDAVONG last updated on 27/Apr/21 $$\mathrm{E}=\mathrm{log}_{\mathrm{a}} \sqrt{\frac{\mathrm{c}}{\mathrm{b}^{\mathrm{log}_{\mathrm{ab}} \mathrm{c}} }}+\mathrm{log}_{\mathrm{b}} \sqrt{\frac{\mathrm{c}}{\mathrm{a}^{\mathrm{log}_{\mathrm{ab}} \mathrm{c}} }} \\ $$ Answered by bemath last updated on 27/Apr/21…
Question Number 73909 by Pk1167156@gmail.com last updated on 16/Nov/19 Commented by Pk1167156@gmail.com last updated on 16/Nov/19 $${slution}\:{plz}… \\ $$ Answered by arkanmath7@gmail.com last updated on…
Question Number 8367 by Nayon last updated on 09/Oct/16 Answered by Nayon last updated on 09/Oct/16 Answered by Nayon last updated on 09/Oct/16 Terms of…
Question Number 8368 by Nayon last updated on 09/Oct/16 $$ \\ $$$${prove} \\ $$$$\pi=\frac{\mathrm{6}}{\:\sqrt{\mathrm{3}}}×\underset{{x}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{\left(−\mathrm{1}\right)^{{x}+\mathrm{1}} }{\left(\mathrm{2}{x}−\mathrm{1}\right)×\mathrm{3}^{{x}−\mathrm{1}} } \\ $$$$ \\ $$ Answered by Nayon…
Question Number 73901 by azizullah last updated on 16/Nov/19 Answered by $@ty@m123 last updated on 16/Nov/19 $$\mathrm{42}\:{m} \\ $$ Commented by azizullah last updated on…
Question Number 73896 by liki last updated on 16/Nov/19 Commented by liki last updated on 16/Nov/19 $$…{Anyone}\:{to}\:{assist}\:{me}.. \\ $$ Answered by mr W last updated…