作者GayerDior (New ID:Maclaurin)
看板trans_math
标题[考古] Line Integral
时间Wed Jan 3 23:04:11 2007
[93台联大]
Evaluate the line integral ∫ (x^2+6xy-2y^2)dx+(3x^2-4xy+2y)dy
c
π
along the path C:y=tanx from x=0 to x= --- .
4
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1
我算的答案是 -----(π^3+36π^2-98π+192)
192
1
可是书本的解答是 -----(π^3+36π^2-64π)
192
我算了好多次 >"<
有人可以帮忙check吗?
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