evaluate i have used directional derivate of f and used the fundamental theorem of line integrals is it right
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Hey prasum. Show us your complete working out and your final answer so we can make comments.
use \int f dr = \int f(c(t))c'(t) dt where c is the parametric representation of the curve you are integrating over. So in this case $\displaystyle c(t) = <\sqrt(1-t^2), t> $
Last edited by jakncoke; Nov 12th 2012 at 08:43 PM.
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