Question Number 151196 by peter frank last updated on 18/Aug/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 151198 by liberty last updated on 19/Aug/21 $$\mathrm{If}\:{a},\mathrm{b}\in\mathrm{R}\:\mathrm{satisfy}\:{a}^{\mathrm{4}} +{b}^{\mathrm{4}} −\mathrm{6}{a}^{\mathrm{2}} {b}^{\mathrm{2}} =\mathrm{9}\:{and} \\ $$$${ab}\left({a}−{b}\right)\left({a}+{b}\right)=−\mathrm{11}\:\mathrm{then}\:{a}^{\mathrm{2}} +{b}^{\mathrm{2}} =? \\ $$ Answered by EDWIN88 last updated…
Question Number 151193 by peter frank last updated on 18/Aug/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 151192 by mathdanisur last updated on 18/Aug/21 Commented by liberty last updated on 19/Aug/21 $$\mathrm{q151198} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 85656 by Power last updated on 23/Mar/20 Commented by mr W last updated on 23/Mar/20 $${please}\:{don}'{t}\:{post}\:{such}\:{badly}\:{translated} \\ $$$${questions}\:{which}\:{nobody}\:{can} \\ $$$${understand}.\:{such}\:{questions}\:{just}\:{waste} \\ $$$${time}\:{of}\:{other}\:{people},\:{are}\:{therefore} \\…
Question Number 151189 by mathdanisur last updated on 18/Aug/21 $$\mathrm{In}\:\:\bigtriangleup\mathrm{ABC}\:\:\mathrm{the}\:\mathrm{following}\:\mathrm{relationship} \\ $$$$\mathrm{holds}:\:\left(\boldsymbol{\varphi}-\mathrm{golden}\:\mathrm{ratio}\right) \\ $$$$\mathrm{sinA}\:+\:\frac{\mathrm{sinB}}{\boldsymbol{\varphi}}\:+\:\frac{\mathrm{sinC}}{\boldsymbol{\varphi}}\:<\:\frac{\mathrm{1}}{\boldsymbol{\varphi}}\:+\:\frac{\mathrm{1}+\sqrt{\boldsymbol{\varphi}}+\boldsymbol{\varphi}}{\mathrm{2}\boldsymbol{\varphi}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 85655 by Power last updated on 23/Mar/20 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 20118 by Tinkutara last updated on 22/Aug/17 $$\mathrm{The}\:\mathrm{quadratic}\:\mathrm{equations}\:{x}^{\mathrm{2}} \:−\:\mathrm{6}{x}\:+\:{a}\:=\:\mathrm{0} \\ $$$$\mathrm{and}\:{x}^{\mathrm{2}} \:−\:{cx}\:+\:\mathrm{6}\:=\:\mathrm{0}\:\mathrm{have}\:\mathrm{one}\:\mathrm{root}\:\mathrm{in} \\ $$$$\mathrm{common}.\:\mathrm{The}\:\mathrm{other}\:\mathrm{roots}\:\mathrm{of}\:\mathrm{the}\:\mathrm{first} \\ $$$$\mathrm{and}\:\mathrm{second}\:\mathrm{equations}\:\mathrm{are}\:\mathrm{integers}\:\mathrm{in} \\ $$$$\mathrm{the}\:\mathrm{ratio}\:\mathrm{4}\::\:\mathrm{3}.\:\mathrm{Then},\:\mathrm{find}\:\mathrm{the}\:\mathrm{common} \\ $$$$\mathrm{root}. \\ $$ Answered…
Question Number 151191 by mathdanisur last updated on 18/Aug/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 85653 by M±th+et£s last updated on 23/Mar/20 $${if}\:\:{f}\geqslant\mathrm{0}\:\:{and}\:\:\:\frac{{d}}{{dx}}\left({f}\left({x}\right)\right)^{\mathrm{2}} =\left({f}'\left({x}\right)\right)^{\mathrm{2}} \:{and}\:{f}\left(\mathrm{0}\right)=\mathrm{1} \\ $$$${find}\:{f}\left({x}\right)\:\:\: \\ $$$$ \\ $$$${if}\:{f}\left({x}\right)=\frac{\mathrm{4}{x}^{\mathrm{3}} }{{x}^{\mathrm{2}} +\mathrm{1}}\:\:{find}\:{f}^{\:−\mathrm{1}} \left({x}\right)\:\:\:{and}\:\left({f}^{\:−\mathrm{1}} \right)^{'} \left(\mathrm{2}\right) \\ $$…