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Category: Algebra

lim-x-1-1-x-2-x-1-x-1-x-

Question Number 148654 by mathdanisur last updated on 29/Jul/21 $$\underset{{x}\rightarrow\mathrm{1}} {{lim}}\left(\frac{\mathrm{1}+{x}}{\mathrm{2}+{x}}\right)^{\frac{\mathrm{1}−\sqrt{\boldsymbol{{x}}}}{\mathrm{1}−\boldsymbol{{x}}}} \:=\:? \\ $$ Answered by ArielVyny last updated on 29/Jul/21 $${e}^{\frac{\mathrm{1}−\sqrt{{x}}}{\mathrm{1}−{x}}{ln}\left(\frac{\mathrm{1}+{x}}{\mathrm{2}+{x}}\right)} \:\:\:\:{posons}\:{t}={x}−\mathrm{1}\:\begin{cases}{{x}\rightarrow\mathrm{1}}\\{{t}\rightarrow\mathrm{0}}\end{cases} \\ $$$${e}^{\frac{\sqrt{{t}+\mathrm{1}}−\mathrm{1}}{{t}}{ln}\left(\frac{{t}+\mathrm{2}}{{t}+\mathrm{3}}\right)}…

Question-148630

Question Number 148630 by mathdanisur last updated on 29/Jul/21 Answered by mr W last updated on 30/Jul/21 $$\angle{C}=\mathrm{60}−\mathrm{20}=\mathrm{40}° \\ $$$$\angle{A}=\mathrm{180}−\mathrm{20}−\mathrm{60}=\mathrm{100}° \\ $$$${say}\:{AB}={a} \\ $$$$\frac{{AF}}{\mathrm{sin}\:\mathrm{20}}=\frac{{BF}}{\mathrm{sin}\:\mathrm{100}}=\frac{{AB}}{\mathrm{sin}\:\mathrm{60}}=\frac{\mathrm{2}{a}}{\:\sqrt{\mathrm{3}}} \\…

f-Z-Z-f-x-2-f-x-1-f-5-4-find-f-30-

Question Number 148599 by mathdanisur last updated on 29/Jul/21 $${f}\::\:\mathbb{Z}\:\rightarrow\:\mathbb{Z} \\ $$$${f}\left({x}\right)\:=\:\mathrm{2}\:\centerdot\:{f}\left({x}\:-\:\mathrm{1}\right) \\ $$$${f}\left(\mathrm{5}\right)\:=\:\mathrm{4} \\ $$$${find}\:\:\:{f}\left(\mathrm{30}\right)\:=\:? \\ $$ Answered by Olaf_Thorendsen last updated on 29/Jul/21…

Question-83050

Question Number 83050 by TawaTawa1 last updated on 27/Feb/20 Commented by TawaTawa1 last updated on 27/Feb/20 $$\mathrm{A}\:\mathrm{uniform}\:\mathrm{beam}\:\mathrm{6}.\mathrm{0m}\:\mathrm{long}\:\mathrm{and}\:\mathrm{weighing}\:\:\mathrm{4kg}\:\:\:… \\ $$ Terms of Service Privacy Policy Contact:…

log-x-x-y-A-log-y-y-x-

Question Number 148573 by mathdanisur last updated on 29/Jul/21 $${log}_{\sqrt{\boldsymbol{{x}}}} \:\frac{{x}}{{y}}\:=\:{A}\:\:\Rightarrow\:\:{log}_{\sqrt{\boldsymbol{{y}}}} \:\frac{{y}}{{x}}\:=\:? \\ $$ Answered by Ar Brandon last updated on 29/Jul/21 $${A}=\mathrm{log}_{\sqrt{{x}}} \frac{{x}}{{y}}=\mathrm{log}_{\sqrt{{x}}} {x}−\mathrm{log}_{\sqrt{{x}}}…

A-0-0-B-2-4-and-C-6-14-if-the-triangle-has-vertices-find-the-lenght-of-the-median-drawn-from-the-vertx-C-

Question Number 148550 by mathdanisur last updated on 29/Jul/21 $$\boldsymbol{{A}}\left(\mathrm{0};\mathrm{0}\right)\:\:;\:\:\boldsymbol{{B}}\left(−\mathrm{2};\mathrm{4}\right)\:\:{and}\:\:\boldsymbol{{C}}\left(−\mathrm{6};\mathrm{14}\right) \\ $$$${if}\:{the}\:{triangle}\:{has}\:{vertices},\:{find}\:{the} \\ $$$${lenght}\:{of}\:{the}\:{median}\:{drawn}\:{from} \\ $$$${the}\:{vertx}\:\boldsymbol{{C}} \\ $$ Commented by MJS_new last updated on 29/Jul/21…