请教大家一道微分题,多谢!(原题贴错,现纠正,多谢!)4 H+ `3 q/ h5 X% ?9 ^; ^
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d [(a+bx)c ] /dx = -kc +s " F; E7 L! S# L% c: ~6 @* D
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function?1 g9 j4 ]2 l! @8 ^2 I
- [4 U8 |/ @+ p# R3 c
多谢了!" X5 B& n4 P# |& H
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[ Last edited by 醉酒当歌 on 2005-4-4 at 11:34 AM ]
对不起,原题贴错了,怪不得这么多高手进来了。原题应该是& F4 U% \+ ]9 ?% y
d [(a+bx)c ] /dx = -kc +s 3 i+ p$ J$ X* z" Z& g8 A# {2 [where: only x and c are unknown, others are all known, requiire c = function of x, what is this function?, V( O- t4 K6 [/ H# G8 m
这道题难倒了我们全班的人,请赐教! 7 p) Q2 t e; h多谢! 6 s" u8 D1 D* ^0 A& O* r& I% k1 ]& s( I/ j
要求用x的函数来表达c.也就是等式右边不能包含c. 即 c = x 的函数, 所求就是这个函数。多谢!% s& ?: w# [& d J i
" I$ s0 g1 I4 i- T1 L9 E! `7 [[ Last edited by 醉酒当歌 on 2005-4-4 at 11:32 AM ]