Question Number 61700 by aliesam last updated on 06/Jun/19 Answered by tanmay last updated on 06/Jun/19 $${a}=−{b}−{c} \\ $$$${a}^{\mathrm{2}} =−{ab}−{ac} \\ $$$$\frac{−{ab}−{ac}}{−{ab}−{bc}−{ac}}+\frac{−{ab}−{bc}}{−{ab}−{bc}−{ca}}+\frac{−{ac}−{bc}}{−{ac}−{bc}−{ab}} \\ $$$$=\frac{−\mathrm{2}\left({ab}+{bc}+{ac}\right)}{−\left({ab}+{bc}+{ac}\right)} \\…
Question Number 192770 by ajfour last updated on 26/May/23 Commented by a.lgnaoui last updated on 26/May/23 $$\mathrm{question}\:\mathrm{not}\:\mathrm{clear}\: \\ $$ Commented by a.lgnaoui last updated on…
Question Number 192765 by Mingma last updated on 26/May/23 Answered by ajfour last updated on 26/May/23 Commented by ajfour last updated on 26/May/23 $$\mathrm{tan}\:\theta=\mathrm{2}\left(\frac{\mathrm{1}}{\mathrm{3}}\right) \\…
Question Number 61694 by naka3546 last updated on 06/Jun/19 Commented by MJS last updated on 07/Jun/19 $$\mathrm{I}\:\mathrm{don}'\mathrm{t}\:\mathrm{think}\:\mathrm{we}\:\mathrm{can}\:\mathrm{solve}\:\mathrm{this} \\ $$ Answered by ajfour last updated on…
Question Number 192766 by gopikrishnan last updated on 26/May/23 $${if}\:\pi/\mathrm{2}<{x}<\pi\:{and}\:\sqrt{\mathrm{1}+\mathrm{sin}\:{x}/\mathrm{1}−\mathrm{sin}\:{x}=\:{k}\mathrm{sec}\:{x}\:,{then}\:{k}=} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 61692 by Tony Lin last updated on 06/Jun/19 $${if}\frac{\mathrm{3}}{\mathrm{2}}\leqslant{x}\leqslant\mathrm{5}, \\ $$$${prove}:\mathrm{2}\sqrt{{x}+\mathrm{1}}+\sqrt{\mathrm{2}{x}−\mathrm{3}}+\sqrt{\mathrm{15}−\mathrm{3}{x}}<\mathrm{2}\sqrt{\mathrm{19}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 127226 by MathSh last updated on 27/Dec/20 $${a}_{{n}} =\frac{\mathrm{2}{n}^{\mathrm{2}} +\mathrm{2}{n}−\mathrm{1}}{{n}\left({n}+\mathrm{1}\right)} \\ $$$${S}_{{n}} =? \\ $$ Answered by Ar Brandon last updated on 28/Dec/20…
Question Number 61691 by Tony Lin last updated on 06/Jun/19 $${f}\left({x}\right)=\sqrt{{x}^{\mathrm{4}} −\mathrm{3}{x}^{\mathrm{2}} +\mathrm{4}}+\sqrt{{x}^{\mathrm{4}} −\mathrm{3}{x}^{\mathrm{2}} −\mathrm{8}{x}+\mathrm{20}} \\ $$$${find}\:{the}\:{minimum}\:{value}\:{of}\:{f}\left({x}\right) \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 192763 by TUN last updated on 26/May/23 $${Prove}\:{that}: \\ $$$${sin}\:{A}\:+\:{sin}\:{B}\:+\:{sin}\:{C}\:>\:\mathrm{2} \\ $$$$\left({A},{B},{C}\:\in\:\frac{\pi}{\mathrm{2}}\right) \\ $$ Answered by JDamian last updated on 26/May/23 $${really}? \\…
Question Number 127224 by mnjuly1970 last updated on 28/Dec/20 $$\:\:…\:{calculus}\:\:\left({I}\right)\:−{complex}\:{analysis}… \\ $$$$\:\:\:\:{calculate}\:::\: \\ $$$$\:\:\Phi\:=\:\int_{\mathrm{0}} ^{\:\infty} \frac{{ln}\left({x}\right)}{{x}^{\mathrm{2}} +\mathrm{3}{x}+\mathrm{2}}\:{dx}=\frac{{ln}^{\mathrm{2}} \left(\mathrm{2}\right)}{\mathrm{2}} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\: \\ $$ Answered by mindispower…