Question Number 6475 by WAI LIN last updated on 28/Jun/16 $${Find}\:{a}\:{solution}\:{of}\:{the}\:{form}\:\emptyset\left({x}\right)={x}^{{r}} \underset{{k}=\mathrm{0}} {\overset{\alpha} {\sum}}{c}_{{k}} {x}^{{k}} \:\left({x}\:>\:\mathrm{0}\right)\:{for}\: \\ $$$${xy}^{''} +\:{y}'\:−\:{y}\:=\:\mathrm{0}. \\ $$ Commented by Yozzii last…
Question Number 71993 by TawaTawa last updated on 23/Oct/19 Answered by mind is power last updated on 23/Oct/19 $$\mathrm{let}\angle\:\mathrm{A}\overset{} {\mathrm{C}E}=\angle\mathrm{ADE}=\mathrm{x} \\ $$$$\Rightarrow\angle\mathrm{ECD}=\mathrm{3x}−\mathrm{x}=\mathrm{2x}\Rightarrow\mathrm{EC}=\mathrm{ED}\:\:\mathrm{ECD}\:\mathrm{isocel}\:\mathrm{Triangl} \\ $$$$\angle\mathrm{ADC}=\angle\mathrm{EDC}−\angle\mathrm{EDA}=\mathrm{2x}−\mathrm{x}=\mathrm{x} \\…
Question Number 6432 by Rasheed Soomro last updated on 27/Jun/16 Commented by Rasheed Soomro last updated on 27/Jun/16 $${Question}\:{reposted} \\ $$$$\mid{GH}\mid=?\:,\:\mid{HI}\mid=?\:,\mid{IG}\mid=? \\ $$ Commented by…
Question Number 71964 by mr W last updated on 22/Oct/19 Commented by mr W last updated on 22/Oct/19 $${find}\:{x}=? \\ $$ Answered by behi83417@gmail.com last…
Question Number 6419 by sanusihammed last updated on 26/Jun/16 $${Convert}\:\:\:\:\mathrm{34}.\mathrm{8989898989}\:\:\:\:{and}\:\:\:\:\mathrm{0}.\mathrm{789789789789}\: \\ $$$${to}\:{fraction}. \\ $$ Answered by Rasheed Soomro last updated on 26/Jun/16 $${Do}\:{you}\:{mean}\:\:\mathrm{34}.\mathrm{8989898989}…\:\mathrm{89}\:{forever} \\ $$$${and}\:\mathrm{0}.\mathrm{789789789789}…\mathrm{789}\:{forever}?…
Question Number 6384 by Rasheed Soomro last updated on 25/Jun/16 Commented by Rasheed Soomro last updated on 25/Jun/16 $${Question}\:{reposted}. \\ $$ Commented by nburiburu last…
Question Number 137327 by mr W last updated on 01/Apr/21 $${in}\:{triangle}\:\Delta{ABC}:\:{BC}=\mathrm{1},\:\angle{B}=\mathrm{2}\angle{A}. \\ $$$${find}\:{the}\:{maximum}\:{area}\:{of}\:\Delta{ABC}. \\ $$ Answered by EDWIN88 last updated on 01/Apr/21 $$\angle\mathrm{A}+\angle\mathrm{B}+\angle\mathrm{C}\:=\pi\:;\:\mathrm{3}\angle\mathrm{A}+\angle\mathrm{C}=\pi \\ $$$$\mathrm{let}\:\angle\mathrm{A}\:=\alpha\:;\:\angle\mathrm{B}=\mathrm{2}\alpha\:;\:\angle\mathrm{C}=\pi−\mathrm{3}\alpha…
Question Number 137314 by liberty last updated on 01/Apr/21 $$ \\ $$The diagonals of a convex quadrilateral divide the area into A, B, D and…
Question Number 6240 by sanusihammed last updated on 19/Jun/16 $$\int{e}^{{x}^{\mathrm{2}} } \:\:{dx}\: \\ $$ Commented by FilupSmith last updated on 20/Jun/16 $${I}=\int{e}^{{x}^{\mathrm{2}} } {dx} \\…
Question Number 6217 by Rasheed Soomro last updated on 18/Jun/16 Commented by Rasheed Soomro last updated on 22/Jun/16 $$\mid{FJ}\mid=? \\ $$ Commented by sandy_suhendra last…