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fkkvms
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加入日期: Jan 2003
文章: 96
變數根常數講清楚點唄
d(tc/q)/dq=
((tc)*(q^-1))'=
(tc)'(q^-1)+(tc)(q^-1)'*q'
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鉕(^^べ
舊 2005-01-21, 12:21 AM #8
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