Menu Close

Category: None

P-n-1-999-1-2n-1-2n-Q-n-1-999-1-999-n-1999-n-P-Q-

Question Number 66910 by naka3546 last updated on 20/Aug/19 $${P}\:\:=\:\:\underset{{n}=\mathrm{1}} {\overset{\mathrm{999}} {\sum}}\:\frac{\mathrm{1}}{\left(\mathrm{2}{n}−\mathrm{1}\right)\left(\mathrm{2}{n}\right)} \\ $$$${Q}\:\:=\:\:\underset{{n}=\mathrm{1}} {\overset{\mathrm{999}} {\sum}}\:\frac{\mathrm{1}}{\left(\mathrm{999}+{n}\right)\left(\mathrm{1999}−{n}\right)} \\ $$$$\frac{{P}}{{Q}}\:\:=\:\:? \\ $$ Commented by naka3546 last updated…

Intergrate-I-t-2-1-t-4-dt-

Question Number 66906 by Kunal12588 last updated on 20/Aug/19 $${Intergrate}\:{I}=\int\:\frac{{t}^{\mathrm{2}} }{\mathrm{1}+{t}^{\mathrm{4}} }\:{dt} \\ $$ Commented by Prithwish sen last updated on 20/Aug/19 $$\frac{\mathrm{1}}{\mathrm{2i}}\int\frac{\mathrm{1}}{\mathrm{1}−\mathrm{it}^{\mathrm{2}} }\:−\:\frac{\mathrm{1}}{\mathrm{1}+\mathrm{it}^{\mathrm{2}} }\:\mathrm{dt}=\frac{\mathrm{1}}{\mathrm{2}}\left[−\mathrm{sin}^{−\mathrm{1}}…

x-2019-2019-x-2018-2018-1-3-x-2017-2017-1-4-x-2016-2016-1-5-dx-

Question Number 66909 by naka3546 last updated on 20/Aug/19 $$\int\:\:\frac{\sqrt{{x}^{\mathrm{2019}} +\mathrm{2019}}\:\:+\:\:\sqrt[{\mathrm{3}}]{{x}^{\mathrm{2018}} +\mathrm{2018}}}{\:\sqrt[{\mathrm{4}}]{{x}^{\mathrm{2017}} +\mathrm{2017}}\:\:+\:\:\sqrt[{\mathrm{5}}]{{x}^{\mathrm{2016}} +\mathrm{2016}}}\:\:{dx}\:\:=\:\:? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

x-x-x-2x-20-x-x-

Question Number 66890 by hmamarques1994@gmail.com last updated on 20/Aug/19 $$\: \\ $$$$\:\:\boldsymbol{\mathrm{x}}^{\boldsymbol{\mathrm{x}}} \:+\:\boldsymbol{\mathrm{x}}^{\mathrm{2}\boldsymbol{\mathrm{x}}} \:=\:\mathrm{20} \\ $$$$\: \\ $$$$\:\:\boldsymbol{\mathrm{x}}^{\boldsymbol{\mathrm{x}}} \:=\:? \\ $$$$\: \\ $$ Answered by…

to-Tinkutara-strange-error-try-to-edit-comment-my-answer-to-question-132402-the-last-line-expands-in-height-to-infinity-at-least-on-my-device-

Question Number 132418 by MJS_new last updated on 14/Feb/21 $$\mathrm{to}\:\mathrm{Tinkutara} \\ $$$$\mathrm{strange}\:\mathrm{error}.\:\mathrm{try}\:\mathrm{to}\:\mathrm{edit}/\mathrm{comment}\:\mathrm{my} \\ $$$$\mathrm{answer}\:\mathrm{to}\:\mathrm{question}\:\mathrm{132402} \\ $$$$\mathrm{the}\:\mathrm{last}\:\mathrm{line}\:\mathrm{expands}\:\mathrm{in}\:\mathrm{height}\:\mathrm{to}\:\mathrm{infinity} \\ $$$$\mathrm{at}\:\mathrm{least}\:\mathrm{on}\:\mathrm{my}\:\mathrm{device}… \\ $$ Commented by mr W last…

X-F-X-X-C-F-X-C-can-be-plotted-in-R-2-Im-on-Y-Real-on-X-axes-as-a-directed-line-segment-X-F-X-This-has-the-advantage-of-showing-vector-ffields-fixed-points-and-bifurcat

Question Number 1255 by e.nolley@ieee.org last updated on 18/Jul/15 $$\left(\mathrm{X},\mathrm{F}\left(\mathrm{X}\right)\right),\:\mathrm{X}\in{C},\:\mathrm{F}\left(\mathrm{X}\right)\in{C},\:\:\mathrm{can}\:\mathrm{be}\:\: \\ $$$$\mathrm{plotted}\:\mathrm{in}\:\mathrm{R}^{\mathrm{2}} \:\left(\mathrm{Im}\:\mathrm{on}\:\mathrm{Y},\:\mathrm{Real}\:\mathrm{on}\:\mathrm{X}\right. \\ $$$$\left.\mathrm{axes}\right)\:\mathrm{as}\:\mathrm{a}\:\mathrm{directed}\:\mathrm{line}\:\mathrm{segment}, \\ $$$$\overset{} {\:}\overset{} {\left(\mathrm{X}\right)−−\gg\left(\mathrm{F}\left(\mathrm{X}\right)\right)}.\:\mathrm{This}\:\mathrm{has} \\ $$$$\mathrm{the}\:\mathrm{advantage}\:\mathrm{of}\:\mathrm{showing}\:\mathrm{vector}\: \\ $$$$\mathrm{ffields},\:\mathrm{fixed}\:\mathrm{points}\:\mathrm{and}\:\mathrm{bifurcations}. \\ $$$$…

Question-132303

Question Number 132303 by mohammad17 last updated on 13/Feb/21 Answered by EDWIN88 last updated on 13/Feb/21 $$\:\overset{\rightarrow} {\mathrm{a}}=\left(−\mathrm{1},\:\frac{\mathrm{3}\sqrt{\mathrm{3}}}{\mathrm{2}}\:,\:\mathrm{1}\right)\: \\ $$$$\:\overset{\rightarrow} {\mathrm{b}}=\left(−\mathrm{3},\:−\mathrm{5ln}\:\mathrm{2},\:−\mathrm{4}\right) \\ $$$$\:\overset{\rightarrow} {\mathrm{c}}=\:\left(\mathrm{4},\:−\mathrm{5},\:\mathrm{5}\:\right)\: \\…