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Mathematics 19 Online
OpenStudy (lalaly):

check

OpenStudy (lalaly):

\[s:(z=1-\sqrt{x^2+y^2})\]\[F=[x^2y,2+xz,z^2]\]\[0 \le z \le 1\]verify stokes theorem \[\int\limits_{C}^{}F.dr=\int\limits{\int\limits_{\S}^{}curl(F).n dA}\]

OpenStudy (dumbcow):

haha everyone left...sorry im unfamiliar with stokes thm

OpenStudy (lalaly):

oh its ok :D ... i just want to check my answer .. but thanks

OpenStudy (turingtest):

I got\[\int\limits_C\vec F\cdot d\vec r=\int_{0}^{2\pi}2\cos t-\cos^2t\sin^2tdt=-\frac\pi4\]I have yet to see if I get the same answer using the surface integral....

OpenStudy (lalaly):

its too hard to type my answer on here lol,, i got same answer when i found the surface integral ... Thanks turing :D

OpenStudy (turingtest):

yay, because I can't seem to do the surface integral did you do it in cylindrical coordinates or cartesian?

OpenStudy (lalaly):

polar \[r(r, \theta)=[rcos \theta, r \sin \theta, 1-r]\]

OpenStudy (turingtest):

right, meant polar or cartesian ok, thanks :D

OpenStudy (lalaly):

lol yeah :D:D

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