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Author: Tinku Tara

x-x-3-1-x-4-dx-

Question Number 88206 by jagoll last updated on 09/Apr/20 $$\int\:\:\frac{\mathrm{x}+\mathrm{x}^{\mathrm{3}} }{\mathrm{1}+\mathrm{x}^{\mathrm{4}} }\:\mathrm{dx}\: \\ $$ Answered by john santu last updated on 09/Apr/20 $$=\:\int\:\frac{{x}}{\mathrm{1}+{x}^{\mathrm{4}} }\:{dx}\:+\:\int\:\frac{{x}^{\mathrm{3}} }{\mathrm{1}+{x}^{\mathrm{4}}…

find-radi-of-circle-s-that-tangents-to-corves-y-x-1-y-2-x-y-1-x-2-

Question Number 88204 by behi83417@gmail.com last updated on 09/Apr/20 $$\boldsymbol{\mathrm{find}}\:\boldsymbol{\mathrm{radi}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{circle}}\left(\boldsymbol{\mathrm{s}}\right)\:\boldsymbol{\mathrm{that}}\:\boldsymbol{\mathrm{tangents}} \\ $$$$\boldsymbol{\mathrm{to}}\:\boldsymbol{\mathrm{corves}}\::\begin{cases}{\boldsymbol{\mathrm{y}}=\boldsymbol{\mathrm{x}}\pm\frac{\mathrm{1}}{\boldsymbol{\mathrm{y}}^{\mathrm{2}} }}\\{\boldsymbol{\mathrm{x}}=\boldsymbol{\mathrm{y}}\pm\frac{\mathrm{1}}{\boldsymbol{\mathrm{x}}^{\mathrm{2}} }}\end{cases} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question-153742

Question Number 153742 by Babatunde last updated on 09/Sep/21 Answered by liberty last updated on 10/Sep/21 $${t}={e}^{\mathrm{ln}\:\mathrm{2}^{\left(\mathrm{cos}\:^{\mathrm{2}} {x}+\mathrm{cos}\:^{\mathrm{4}} {x}+\mathrm{cos}\:^{\mathrm{6}} {x}+…\right)} } \:=\:\mathrm{2}^{\frac{\mathrm{cos}\:^{\mathrm{2}} {x}}{\mathrm{1}−\mathrm{cos}\:^{\mathrm{2}} {x}}} \\…

Show-that-0-pi-2-1-cos-3-sin-2-d-1-3-

Question Number 153737 by ZiYangLee last updated on 09/Sep/21 $$\mathrm{Show}\:\mathrm{that}\:\int_{\mathrm{0}} ^{\:\frac{\pi}{\mathrm{2}}} \frac{\mathrm{1}}{\left(\mathrm{cos}\:\theta+\:\sqrt{\mathrm{3}}\:\mathrm{sin}\:\theta\right)^{\mathrm{2}} }\:{d}\theta=\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{3}}\:} \\ $$ Answered by puissant last updated on 09/Sep/21 $$=\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \frac{\mathrm{1}}{\left[\mathrm{2}\left(\frac{\mathrm{1}}{\mathrm{2}}{cos}\theta+\frac{\sqrt{\mathrm{3}}}{\mathrm{2}}{sin}\theta\right)\right]^{\mathrm{2}}…

Given-that-7-cos-2-24-sin-2-R-cos-2-where-R-gt-0-and-0-lt-lt-pi-2-find-the-maximum-value-of-14-cos-2-48-sin-cos-

Question Number 153736 by ZiYangLee last updated on 09/Sep/21 $$\mathrm{Given}\:\mathrm{that}\:\mathrm{7}\:\mathrm{cos}\:\mathrm{2}\theta+\mathrm{24}\:\mathrm{sin}^{\mathrm{2}} \theta={R}\:\mathrm{cos}\left(\mathrm{2}\theta−\alpha\right), \\ $$$$\mathrm{where}\:{R}>\mathrm{0}\:\mathrm{and}\:\mathrm{0}<\alpha<\frac{\pi}{\mathrm{2}},\:\mathrm{find}\:\mathrm{the}\:\mathrm{maximum} \\ $$$$\mathrm{value}\:\mathrm{of}\:\mathrm{14}\:\mathrm{cos}^{\mathrm{2}} \theta+\mathrm{48}\:\mathrm{sin}\:\theta\:\mathrm{cos}\:\theta. \\ $$ Answered by mr W last updated on…

y-ax-3-meets-y-e-x-and-y-e-x-at-A-and-B-such-that-AB-is-minimum-find-possible-value-s-of-a-and-min-of-AB-

Question Number 88203 by behi83417@gmail.com last updated on 09/Apr/20 $$\boldsymbol{\mathrm{y}}=\boldsymbol{\mathrm{ax}}^{−\mathrm{3}} ,\:\boldsymbol{\mathrm{meets}}:\:\:\boldsymbol{\mathrm{y}}=\boldsymbol{\mathrm{e}}^{\boldsymbol{\mathrm{x}}} \:\:\boldsymbol{\mathrm{and}}\:\:\boldsymbol{\mathrm{y}}=−\boldsymbol{\mathrm{e}}^{−\boldsymbol{\mathrm{x}}} \:\boldsymbol{\mathrm{at}}: \\ $$$$\boldsymbol{\mathrm{A}}\:\boldsymbol{\mathrm{and}}\:\boldsymbol{\mathrm{B}},\boldsymbol{\mathrm{such}}\:\boldsymbol{\mathrm{that}}:\:\boldsymbol{\mathrm{AB}}\:\boldsymbol{\mathrm{is}}\:\boldsymbol{\mathrm{minimum}}. \\ $$$$\boldsymbol{\mathrm{find}}:\:\boldsymbol{\mathrm{possible}}\:\boldsymbol{\mathrm{value}}\left(\boldsymbol{\mathrm{s}}\right)\:\boldsymbol{\mathrm{of}}:\:\boldsymbol{\mathrm{a}}\:\:\:\boldsymbol{\mathrm{and}}\:\:\boldsymbol{\mathrm{min}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{AB}}. \\ $$ Terms of Service Privacy Policy Contact:…