Question Number 10133 by konen last updated on 26/Jan/17 $$\frac{\mathrm{1}+\mathrm{2}^{\mathrm{x}−\mathrm{y}} }{\mathrm{1}+\mathrm{2}^{\mathrm{y}−\mathrm{x}} }=\mathrm{4}\Rightarrow\mathrm{x}−\mathrm{y}=? \\ $$ Answered by ridwan balatif last updated on 26/Jan/17 $$\frac{\mathrm{1}+\mathrm{2}^{\mathrm{x}−\mathrm{y}} }{\mathrm{1}+\mathrm{2}^{−\left(\mathrm{x}−\mathrm{y}\right)} }=\mathrm{4}…
Question Number 75669 by peter frank last updated on 15/Dec/19 Commented by mathmax by abdo last updated on 15/Dec/19 $${let}\:{A}\:=\int\:\frac{{d}\theta}{{sin}^{\mathrm{4}} \theta\:+{cos}^{\mathrm{4}} \theta}\:\Rightarrow\:{A}\:=\int\:\:\:\:\frac{{d}\theta}{\left({cos}^{\mathrm{2}} \theta+{sin}^{\mathrm{2}} \theta\right)^{\mathrm{2}} −\mathrm{2}{cos}^{\mathrm{2}}…
Question Number 10131 by konen last updated on 26/Jan/17 $$\mathrm{2}^{\mathrm{a}} =\mathrm{9} \\ $$$$\mathrm{27}^{\mathrm{b}} =\mathrm{8} \\ $$$$\Rightarrow\mathrm{a}×\mathrm{b}=? \\ $$ Answered by prakash jain last updated on…
Question Number 10129 by Tawakalitu ayo mi last updated on 26/Jan/17 $$\mathrm{Write}\:\mathrm{in}\:\mathrm{polar}\:\mathrm{form}\:. \\ $$$$\left(\mathrm{1}\right)\:\:\mathrm{3x}\:−\:\mathrm{y}\:\:+\:\mathrm{5}\:=\:\mathrm{0} \\ $$$$\left(\mathrm{2}\right)\:\:\mathrm{x}^{\mathrm{2}} \:=\:\sqrt{\mathrm{x}^{\mathrm{2}} \:+\:\mathrm{y}^{\mathrm{2}} } \\ $$ Answered by icyfalcon999 last…
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Question Number 141197 by paulpadas last updated on 16/May/21 $${Write}\:{the}\:{next}\:{three}\:{terms}\:\mathrm{1},\:\frac{\mathrm{3}}{\mathrm{7}},\:\frac{\mathrm{8}}{\mathrm{3}},\:\_\_\_,\:\_\_\_,\:\_\_\_,\:… \\ $$ Answered by MJS_new last updated on 16/May/21 $$\mathrm{zillions}\:\mathrm{of}\:\mathrm{possible}\:\mathrm{answers}. \\ $$$$\mathrm{I}\:\mathrm{like}\:\mathrm{this}\:\mathrm{one} \\ $$$${a}_{{n}} =−\frac{\mathrm{3}}{\mathrm{10}}−\frac{\mathrm{38}{n}−\mathrm{25}}{\mathrm{10}\left(\mathrm{5}{n}^{\mathrm{2}}…
Question Number 75662 by peter frank last updated on 15/Dec/19 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 75660 by mr W last updated on 15/Dec/19 $${find}\:{all}\:{solutions}\:\left({if}\:{exist}\right)\:{of} \\ $$$${x}^{\mathrm{2}} +\mathrm{5}{y}^{\mathrm{2}} =\mathrm{2016} \\ $$$${with}\:{x},{y}\:\in\:\mathbb{N}. \\ $$ Commented by mathmax by abdo last…
Question Number 141198 by ajfour last updated on 16/May/21 Commented by ajfour last updated on 17/May/21 $${Material}\:{volume}\:{of}\:{sphere} \\ $$$${minus}\:{ellipsoid}\:{is}\:\frac{\mathrm{4}}{\mathrm{3}}\pi{c}\:. \\ $$$${Find}\:{radius}\:{of}\:{sphere}\:{R}. \\ $$$${The}\:{ellipsoid}'{s}\:{radii}\:{are} \\ $$$$\:\:\:{r}_{\mathrm{1}}…
Question Number 75661 by peter frank last updated on 15/Dec/19 Answered by Kunal12588 last updated on 15/Dec/19 $${U}_{{n}} =\int{x}^{{n}} \:{cos}\:{x}\:{dx} \\ $$$${u}\:=\:{x}^{{n}} \:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\&\:\:\:\:{dv}\:=\:{cos}\:{x}\:{dx} \\ $$$$\Rightarrow{du}\:=\:{nx}^{{n}−\mathrm{1}}…