[積分] 線積分

[carloscc (你有受過專業的訓練嗎)]

Compute the line integral

  ∮ [-y / (x^2+y^2)]dx + [x / (x^2+y^2)]dy
   C

where C isthe curve (x^2)/16 + (y^2)/25 = 1 traversed counterclockwise.


麻煩好心的板友幫我寫出解題的過程吧

雖然有提示要怎麼做,但還是解不出來

拜託大家幫幫忙囉

thanks in advance !!!

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推 johnnyzsefb:答案是2π嗎?
推 carloscc:yes!