Please check is correct

Calculate the line integral along the curve C

1)

My solution

.

.

.

2)

to

My solution

.

.

.

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- Apr 26th 2009, 07:28 AMApprentice123Line integral
Please check is correct

Calculate the line integral along the curve C

1)

My solution

.

.

.

2)

to

My solution

.

.

.

- Apr 26th 2009, 09:01 AMOpalg
This doesn't look right at all to me. If and then and . The integral is

. . . . . .

That looks correct, except that if the path goes from (3,3) to (0,0) then the integral should be rather than , giving the answer +3 instead of –3. - Apr 26th 2009, 09:06 AMApprentice123
Thank you.

1) I forgot to make the derivative.

2) How do I know the limits of integral having two points?