Question Number 127244 by bounhome last updated on 28/Dec/20 $${solve}\::\:{log}_{\mathrm{2}} \left(\frac{\mathrm{3}{x}−\mathrm{7}}{\mathrm{2}{x}−\mathrm{1}}\right)={x}−\mathrm{6} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 127247 by ZiYangLee last updated on 28/Dec/20 Answered by mr W last updated on 28/Dec/20 $${y}=−\frac{{k}}{\mathrm{3}}{x}−\left(\frac{{k}}{\mathrm{3}}+\mathrm{2}\right) \\ $$$${such}\:{that}\:{the}\:{line}\:{doesn}'{t}\:{pass} \\ $$$${through}\:{quadrant}\:{I}, \\ $$$$−\left(\frac{{k}}{\mathrm{2}}+\mathrm{2}\right)<\mathrm{0}\:{and}\:\left(−\frac{{k}}{\mathrm{3}}\leqslant\mathrm{0}\right) \\…
Question Number 61700 by aliesam last updated on 06/Jun/19 Answered by tanmay last updated on 06/Jun/19 $${a}=−{b}−{c} \\ $$$${a}^{\mathrm{2}} =−{ab}−{ac} \\ $$$$\frac{−{ab}−{ac}}{−{ab}−{bc}−{ac}}+\frac{−{ab}−{bc}}{−{ab}−{bc}−{ca}}+\frac{−{ac}−{bc}}{−{ac}−{bc}−{ab}} \\ $$$$=\frac{−\mathrm{2}\left({ab}+{bc}+{ac}\right)}{−\left({ab}+{bc}+{ac}\right)} \\…
Question Number 61694 by naka3546 last updated on 06/Jun/19 Commented by MJS last updated on 07/Jun/19 $$\mathrm{I}\:\mathrm{don}'\mathrm{t}\:\mathrm{think}\:\mathrm{we}\:\mathrm{can}\:\mathrm{solve}\:\mathrm{this} \\ $$ Answered by ajfour last updated on…
Question Number 127226 by MathSh last updated on 27/Dec/20 $${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 192756 by mokys last updated on 26/May/23 Commented by mokys last updated on 26/May/23 $${Im}\:{cant}\:{solve}\:{this}\:{because}\:{its}\:{very}\:{hard}\:{can}\:{helps}\:{me}\:{pleas}\:? \\ $$ Answered by witcher3 last updated on…
Question Number 127214 by mohammad17 last updated on 27/Dec/20 $${what}\:{is}\:{the}\:{value}\:{of}\:{and}\:{how}\:{can}\:{combute}? \\ $$$$ \\ $$$${erf}\left(\pi\right)? \\ $$ Answered by Olaf last updated on 27/Dec/20 $$\mathrm{erf}\left({x}\right)\:=\:\frac{\mathrm{2}}{\:\sqrt{\pi}}\int_{\mathrm{0}} ^{{x}}…
Question Number 192758 by vishal1234 last updated on 26/May/23 $${what}\:{is}\:{the}\:{value}\:{of}\:{dy}/{dx}\:{if} \\ $$$${y}\:=\:{cot}^{−\mathrm{1}} \left[\frac{\sqrt{\mathrm{1}+{sinx}}+\sqrt{\mathrm{1}−{sinx}}}{\:\sqrt{\mathrm{1}+{sinx}}−\sqrt{\mathrm{1}−{sinx}}}\right];\:{x}\in\left(\mathrm{0},\frac{\pi}{\mathrm{2}}\right) \\ $$$${please}\:{give}\:{complete}\:{explanation}\:{that} \\ $$$${why}\:{can}\:{we}\:{not}\:{take} \\ $$$$\left[{sinx}/\mathrm{2}−{cosx}/\mathrm{2}\right]^{\mathrm{2}} \:=\:\mathrm{1}−{sinx} \\ $$ Answered by a.lgnaoui…
Question Number 127211 by mohammad17 last updated on 27/Dec/20 $$\int_{\mathrm{0}} ^{\:\pi^{\mathrm{2}} } {x}^{−\frac{\mathrm{1}}{\mathrm{2}}} {e}^{−{x}} {dx} \\ $$ Answered by Dwaipayan Shikari last updated on 27/Dec/20…
Question Number 192743 by mathocean1 last updated on 25/May/23 $${Calculate}: \\ $$$${I}=\int_{\mathrm{0}} ^{\:\mathrm{4}} \left(\int_{{x}−\mathrm{4}} ^{\:{x}−\mathrm{2}} {e}^{\frac{{x}+{y}}{{x}−{y}}} {dy}\right){dx} \\ $$ Answered by aleks041103 last updated on…