a-maths~!

👨🏻‍🏫 學術台數學

2008-10-04 8:35 am

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更新1:

ans is pi

回答 (1)

2008-10-04 3:52 pm

✔ 最佳答案

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2008-10-04 22:30:52 補充：
I have committed some mistakes
After the integral, it should be
pi[y^2/2 + 1/y] (2 , 1)

So, the ans calculated = pi

Sorry for that.

參考: Myself~~~

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