Show that and are such that one of , is exact but the other is not.

(dP=(dx,dy)).

Let C be the shorter arc of from to . Evaluate .

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- Jan 17th 2011, 02:12 PMwopashuiEvaluate the line integral
Show that and are such that one of , is exact but the other is not.

(dP=(dx,dy)).

Let C be the shorter arc of from to . Evaluate . - Jan 18th 2011, 08:06 AMHallsofIvy
Okay, what have

**you**done here? What**is**F.dP? What**is**G.dP? How you tell if such a "differential" is exact or not?

What is a parameterization for using the angle a point makes with the x-axis as parameter? - Jan 18th 2011, 08:38 AMwopashui