Question Number 157418 by MathSh last updated on 23/Oct/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 157416 by cortano last updated on 23/Oct/21 $$\:{If}\:\mathrm{2}{x}^{\mathrm{2}} +\mathrm{11}{x}+\mathrm{5}\:{is}\:{a}\:{factor}\:{of} \\ $$$$\:{ax}^{\mathrm{3}} −\mathrm{17}{x}^{\mathrm{2}} +{bx}−\mathrm{15}\:,\:{then}\:{what} \\ $$$${is}\:{a}\:{and}\:{b}\:? \\ $$ Commented by Rasheed.Sindhi last updated on…
Question Number 91872 by M±th+et+s last updated on 03/May/20 $${solve}\:{in}\:\mathbb{R} \\ $$$$\mathrm{8}\sqrt{\mathrm{x}^{\mathrm{4}} +\mathrm{1}}+\mathrm{5}\sqrt{\mathrm{x}^{\mathrm{3}} +\mathrm{1}}=\mathrm{7x}^{\mathrm{2}} +\mathrm{12} \\ $$ Commented by MJS last updated on 03/May/20 $$\mathrm{you}\:\mathrm{can}\:\begin{cases}{\left(\mathrm{square}+\mathrm{transform}\right)×\mathrm{2}\:\mathrm{and}\:\mathrm{then}}\\{\:\:\:\:\:\mathrm{approximate}\:\mathrm{the}\:\mathrm{8}^{\mathrm{th}}…
Question Number 91870 by hmamarques1994@gmail.com last updated on 03/May/20 $$\:\frac{\overset{\:} {\mathrm{1}}}{\mathrm{x}^{\mathrm{2x}} }\:+\:\mathrm{x}^{−\mathrm{4x}} \:=\:\mathrm{6},\:\:\left(\mathrm{x}\:\neq\:\mathrm{0}\right) \\ $$$$\: \\ $$$$\:\mathrm{x}\:=\:\underset{\:} {?} \\ $$ Commented by MJS last updated…
Question Number 91850 by Power last updated on 03/May/20 Commented by mr W last updated on 03/May/20 $${you}\:{are}\:{back}!\:{the}\:{same}\:{questions}\:{seem} \\ $$$${to}\:{be}\:{back}\:{too}… \\ $$ Commented by mr…
Question Number 157379 by quvonch3737 last updated on 22/Oct/21 Commented by quvonch3737 last updated on 22/Oct/21 $${prove}\:{help} \\ $$ Answered by mr W last updated…
Question Number 91843 by jagoll last updated on 03/May/20 $$\begin{cases}{\frac{\mathrm{1}}{{x}}+{y}\:=\:\mathrm{2}}\\{{x}+\frac{\mathrm{1}}{{y}}\:=\:\mathrm{3}}\end{cases} \\ $$$${find}\:{x}^{\mathrm{2}} +{y}^{\mathrm{2}} \\ $$ Commented by jagoll last updated on 03/May/20 Commented by jagoll…
Question Number 157351 by physicstutes last updated on 22/Oct/21 $$\mathrm{Prove}\:\mathrm{by}\:\mathrm{mathematical}\:\mathrm{induction} \\ $$$$\:\underset{{r}=\mathrm{1}} {\overset{{n}} {\sum}}\frac{\mathrm{1}}{{r}\left({r}+\mathrm{1}\right)}\:=\:\frac{{n}}{{n}+\mathrm{1}} \\ $$ Commented by hknkrc46 last updated on 22/Oct/21 $$\bigstar\:\frac{\mathrm{1}}{\boldsymbol{{r}}\left(\boldsymbol{{r}}\:+\:\mathrm{1}\right)}\:=\:\frac{\left(\boldsymbol{{r}}\:+\:\mathrm{1}\right)\:−\:\boldsymbol{{r}}}{\boldsymbol{{r}}\left(\boldsymbol{{r}}\:+\:\mathrm{1}\right)} \\…
Question Number 26274 by NECx last updated on 23/Dec/17 $${could}\:{there}\:{be}\:{an}\:{analytical}\:{or} \\ $$$${numerical}\:{meghod}\:{for}\:{solving} \\ $$$${this}\:{non}-{linear}\:{simultaneous} \\ $$$${equation} \\ $$$${x}+{y}=\mathrm{5} \\ $$$${x}^{{x}} +{y}^{{y}} =\mathrm{31} \\ $$$$ \\…
Question Number 26269 by ibraheem160 last updated on 23/Dec/17 $${if}\:{x}^{{x}} =\mathrm{2}\:{what}\:{is}\:{the}\:{value}\:{of}\:{x}? \\ $$ Answered by mrW1 last updated on 23/Dec/17 $${x}^{{x}} =\mathrm{2} \\ $$$${x}\mathrm{ln}\:{x}=\mathrm{ln}\:\mathrm{2} \\…