 鲜花( 150)  鸡蛋( 3)
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请教大家一道微分题,多谢!(原题贴错,现纠正,多谢!)
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d [(a+bx)c ] /dx = -kc +s
% S& {& G4 V* J+ Y" }8 Z% n5 N! qwhere: only x and c are unknown, others are all known, requiire c = function of x, what is this function?' z: [- `, b" S$ u# O# G j! Y
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多谢了!
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[ Last edited by 醉酒当歌 on 2005-4-4 at 11:34 AM ] |
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