# Does the answer for part (c) really have to be 0?

• Differentiate1
In summary, the conversation discusses a discrepancy in the answer to a problem involving the use of curl and line integration. The speaker believes the answer should not be 0, and suggests that the line integration around the closed path should be carried out instead of using a theorem.
Differentiate1
Here's my work typed in Microsoft Word:
http://i.imgur.com/jWPqBDh.png

I have trouble believing the answer is 0 for part c. All I did was use the curl of F from part a and dot it with dr which came out to be 0.

Differentiate1 said:
Here's my work typed in Microsoft Word:
http://i.imgur.com/jWPqBDh.png

I have trouble believing the answer is 0 for part c. All I did was use the curl of F from part a and dot it with dr which came out to be 0.
I suspect that in part (c), you are expected to actually carry out the line integration around the closed path C , rather than using the theorem (Storke's Theorem).

(An image of you work follows.)

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• jWPqBDh.png
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