※ 引述《xavierqqqq (Eye煙霧瀰漫)》之銘言:
: Use triple integral to find the volumn of E bounded by
: 4x^2 + z^2 = 4 , y=0 , and y = z+2
: 我列得出來三重積分式,但我忘記橢圓要怎麼寫成極座標了!
: 謝謝~
x^2 + z^2 = 1
--- ----
1 4
=> x = cos(t)
y = 2sin(t)
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