Question Number 7360 by rohit meena last updated on 24/Aug/16 Answered by Rasheed Soomro last updated on 25/Aug/16 $$\left(\mathrm{3}\right) \\ $$$$\:\:\:\:\:\:\:\left(\mathrm{4}−{k}\right){x}^{\mathrm{2}} +\mathrm{2}\left({k}+\mathrm{2}\right){x}+\mathrm{8}{k}+\mathrm{1} \\ $$$${The}\:{value}\:{of}\:\:{k},{for}\:{which}\:{the}\:{above} \\…
Question Number 138417 by bemath last updated on 13/Apr/21 $$ \\ $$the x axis is transformed with respect to the line y = 2x +2,…
Question Number 7330 by Tawakalitu. last updated on 23/Aug/16 $${Solve}\:{the}\:{simultaneous}\:{equation}\: \\ $$$$ \\ $$$$\mathrm{2}{x}\:\:+\:{y}\:\:−\:{z}\:=\:\mathrm{8}\:………\:\left({i}\right) \\ $$$${x}^{\mathrm{2}} \:−\:{y}^{\mathrm{2}} \:+\:\mathrm{2}{z}^{\mathrm{2}} \:=\:\mathrm{14}\:\:……….\left({ii}\right) \\ $$$$\mathrm{3}{x}^{\mathrm{3}} \:+\:\mathrm{4}{y}^{\mathrm{3}} \:+\:{z}^{\mathrm{3}} \:=\:\mathrm{195}\:\:…………\:\left({iii}\right) \\…
Question Number 7331 by rohit meena last updated on 23/Aug/16 Commented by sandy_suhendra last updated on 24/Aug/16 $${for}\:{the}\:{simetric}\:{root},\:{like}\:{y}_{\mathrm{1}} =\mathrm{2}\alpha\:{and}\:{y}_{\mathrm{2}} =\mathrm{2}\beta,\:{we}\:{can}\:{use}\:{the}\:{subtitute}\:{method} \\ $$$${y}=\mathrm{2}{x}\:\Rightarrow{x}=\frac{\mathrm{1}}{\mathrm{2}}{y}\:{substitute}\:{to}\:{ax}^{\mathrm{2}} +\:{bx}\:+{c}\:=\:\mathrm{0} \\ $$$${a}\left(\frac{\mathrm{1}}{\mathrm{2}}{y}\right)^{\mathrm{2}}…
Question Number 138396 by SLVR last updated on 13/Apr/21 Commented by SLVR last updated on 13/Apr/21 $${mr}.{W}..\:{Good}\:{morning} \\ $$$${previous}\:{this}\:{was}\:{given}..{but} \\ $$$${i}\:{could}\:{not}\:{get}\:{it} \\ $$$${kindly}\:{help}\:{me}\:{the}\:{solution} \\ $$…
Question Number 7324 by rohit meena last updated on 23/Aug/16 $${if}\:{x}\left({A}\right)=\mathrm{100}\:\:{and}\:{x}\left({B}\right)=\mathrm{75} \\ $$$${x}\left({AUB}\right)=\mathrm{50} \\ $$$${then}\:{find}\:{x}\left({A}−{B}\right)\:{and}\:{x}\left({B}−{A}\right) \\ $$ Commented by Rasheed Soomro last updated on 23/Aug/16…
Question Number 7321 by rohit meena last updated on 23/Aug/16 $${find}\:{sets}\:{A}=\left\{{x}\mid{y}=\boldsymbol{{x}}^{\mathrm{2}} ,{x}\epsilon{z}\right\} \\ $$ Commented by rohit meena last updated on 24/Aug/16 $${answet}\:{plzzzz} \\ $$…
Question Number 7323 by rohit meena last updated on 23/Aug/16 $${find}\:{the}\:{value}\:{of} \\ $$$$\Delta'\Lambda\:{b}\:{and}\:\left({B}'{U}\:{A}\right)\:\boldsymbol{\Lambda}\:{B} \\ $$$${if}\:{U}=\left\{\mathrm{1},\mathrm{2},\mathrm{3},\mathrm{4},\mathrm{5},\mathrm{6},\mathrm{7},\mathrm{8},\mathrm{9},\mathrm{10}\right\} \\ $$$${A}=\left\{\mathrm{2},\mathrm{4},\mathrm{5},\mathrm{6}\right\} \\ $$$${B}=\left\{\mathrm{1},\mathrm{5},\mathrm{8},\mathrm{9}\right\} \\ $$$$\Lambda\:{is}\:{a}\:{unoin} \\ $$ Commented by…
Question Number 138391 by ajfour last updated on 13/Apr/21 $${x}^{\mathrm{3}} −{x}−{c}=\mathrm{0}\:\:;\:\mathrm{0}<{c}<\frac{\mathrm{2}}{\mathrm{3}\sqrt{\mathrm{3}}} \\ $$$${Find}\:{x}. \\ $$ Answered by ajfour last updated on 13/Apr/21 $${let}\:\:\:{t}^{\mathrm{2}} +{pt}+{q}=\mathrm{0} \\…
Question Number 138383 by henderson last updated on 12/Apr/21 $$\boldsymbol{\mathrm{hi}}\:! \\ $$$$\boldsymbol{\mathrm{for}}\:{a}_{\mathrm{0}} \:=\:\mathrm{1}\:\boldsymbol{\mathrm{and}}\:\forall\:{n}\:\geqslant\:\mathrm{1},\:{a}_{{n}} \:=\:\frac{\mathrm{1}}{{n}}\:\underset{{k}=\mathrm{0}} {\overset{\mathrm{n}−\mathrm{1}} {\sum}}\:\:\frac{{a}_{{k}} }{{n}−{k}}\:. \\ $$$$\boldsymbol{\mathrm{prove}}\:\boldsymbol{\mathrm{that}}\:\forall\:{n}\:\geqslant\:\mathrm{0},\:\boldsymbol{\mathrm{we}}\:\boldsymbol{\mathrm{get}}\:\mathrm{0}\:\leqslant\:{a}_{{n}} \:\leqslant\:\mathrm{1}. \\ $$ Commented by mitica…