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OpenStudy (anonymous):
what is first partial derivative u=x(e^(-t))sinx what is first partial derivative u=x(e^(-t))sinx @Mathematics
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OpenStudy (anonymous):
is this correct? they wanted the First Partial Deriv. (du/dx)=(e^-t)sinx+x(e^-t)cosx (du/dt)=-x(e^-t)sinx
OpenStudy (zarkon):
looks fine to me
OpenStudy (anonymous):
yezzzz, that shouldnt be too bad a quiz grade, now back to roofing :(
OpenStudy (zarkon):
have fun
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