Question Number 39127 by Rio Mike last updated on 02/Jul/18 $${Given}\:{the}\:{lines} \\ $$$${l}_{\mathrm{1}} :\:\:{x}\:+\:{y}\:=\:\mathrm{5}\:{and}\:{l}_{\mathrm{2}} :\:{y}\:=\:\mathrm{4}{x} \\ $$$${and}\:{l}_{\mathrm{3}} ;\:\mathrm{4}{x}\:+\:{y}\:−\:\mathrm{1}\:=\mathrm{0} \\ $$$${show}\:{that}\:{l}_{\mathrm{2}\:} \:{is}\:{perpendicular} \\ $$$${to}\:{l}_{\mathrm{3}} . \\…
Question Number 170199 by Mastermind last updated on 18/May/22 $${Find}\:{the}\:{first}\:{four}\:{terms}\:{of}\:{the}\:{series} \\ $$$${for}\:{e}^{{x}} {sinhx} \\ $$$$ \\ $$$${Mastermind} \\ $$ Answered by floor(10²Eta[1]) last updated on…
Question Number 170198 by Mastermind last updated on 18/May/22 $${Find}\:{the}\:{first}\:{three}\:{term}\:{of}\:{the}\:{series} \\ $$$${for}\:{e}^{{x}} {ln}\left(\mathrm{1}+{x}\right) \\ $$$$ \\ $$$${Mastermind} \\ $$ Answered by Mathspace last updated on…
Question Number 39021 by maxmathsup by imad last updated on 01/Jul/18 $${calculate}\:\:{A}_{{n}} =\:\int_{\mathrm{0}} ^{\mathrm{1}} \:{sin}\left({narctanx}\right){dx}\:\:{with}\:{n}\:{integr}\:{natural}. \\ $$$$\left.\mathrm{2}\right)\:{find}\:{nature}\:{of}\:\sum_{{n}} \:\:{A}_{{n}} \\ $$ Terms of Service Privacy Policy…
Question Number 39013 by Rio Mike last updated on 01/Jul/18 $${Given}\:{the}\:{matrices} \\ $$$${A}\:=\:\begin{pmatrix}{\mathrm{3}}&{\mathrm{5}}\\{\mathrm{2}}&{\mathrm{4}}\end{pmatrix}\:{and}\:{I}\:=\:\begin{pmatrix}{\mathrm{1}}&{\mathrm{0}}\\{\mathrm{0}}&{\mathrm{1}}\end{pmatrix} \\ $$$${find}\:{matrix}\:{B}\:{if}\: \\ $$$${BA}=\:{I} \\ $$$${find}\:{A}'\:{the}\:{reflection}\:{on}\:{the} \\ $$$${line}\:{y}\:=\:{x}\:{and}\:{A}''\:{the}\:{enlargement} \\ $$$${with}\:{matrix}\:\begin{pmatrix}{\mathrm{2}\:\:\:\:\:\:\:\:\:\mathrm{0}}\\{\mathrm{0}\:\:\:\:\:\:\:\:\:\:\mathrm{2}}\end{pmatrix}. \\ $$…
Question Number 39003 by behi83417@gmail.com last updated on 01/Jul/18 Answered by MJS last updated on 01/Jul/18 $${A}=\begin{pmatrix}{{a}}\\{\frac{\mathrm{1}}{{a}}}\end{pmatrix};\:{B}=\begin{pmatrix}{{b}}\\{\frac{\mathrm{1}}{{b}}}\end{pmatrix};\:{b}>{a} \\ $$$$\mid{AB}\mid=\frac{\left({b}−{a}\right)\sqrt{{a}^{\mathrm{2}} {b}^{\mathrm{2}} +\mathrm{1}}}{{ab}}={c} \\ $$$${M}_{{AB}} =\frac{{A}+{B}}{\mathrm{2}}=\begin{pmatrix}{\frac{{a}+{b}}{\mathrm{2}}}\\{\frac{{a}+{b}}{\mathrm{2}{ab}}}\end{pmatrix} \\…
Question Number 38996 by Rio Mike last updated on 01/Jul/18 $${a}\:{line}\:{with}\:{equation} \\ $$$$\:{y}\:=\:\mathrm{2}{x}\:+\:\mathrm{5}.{the}\:{point}\:\left(\mathrm{1},\mathrm{7}\right) \\ $$$${lie}\:{on}\:{this}\:{line}.{find}\:{the}\: \\ $$$${distance}\:{between}\:{this}\:{line}\: \\ $$$${and}\:{the}\:{line}\:{joining}\: \\ $$$$\left(\mathrm{2},\mathrm{3}\right)\:{and}\:\left(\mathrm{6},\mathrm{7}\right). \\ $$ Commented by…
Question Number 104533 by 175mohamed last updated on 22/Jul/20 $${find}\:: \\ $$$$\underset{{x}\rightarrow\mathrm{1}} {\mathrm{lim}}\frac{\left({x}+\mathrm{2}\right)^{\mathrm{2}} +\left({x}+\mathrm{1}\right)^{\mathrm{3}} −\mathrm{17}}{\:\sqrt{{x}+\mathrm{3}}−\sqrt[{\mathrm{3}}]{{x}+\mathrm{7}}} \\ $$ Answered by Dwaipayan Shikari last updated on 22/Jul/20…
Question Number 170032 by Mastermind last updated on 14/May/22 $$\frac{\mathrm{8}^{{x}} −\mathrm{2}^{{x}} }{\mathrm{6}^{{x}} −\mathrm{3}^{{x}} }=\mathrm{2}\:,\:{find}\:{x}\:? \\ $$$$ \\ $$$${Mastermind} \\ $$ Commented by Mastermind last updated…
Question Number 104494 by 175mohamed last updated on 21/Jul/20 Terms of Service Privacy Policy Contact: info@tinkutara.com