请教大家一道微分题,多谢!(原题贴错,现纠正,多谢!) " Y7 L; w6 x6 |5 S1 m) ]5 x9 I2 m' v3 u; B: i- @4 }
d [(a+bx)c ] /dx = -kc +s . l" d: O7 M* h! o9 `
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function?4 C7 } g9 Z: m5 w3 C2 t) s% I
0 |+ E+ Q6 g6 d多谢了!0 V! S0 f2 Z: q& s- o
5 a1 ^8 q: n! h* ?6 B/ p[ 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# |% Q. {# C0 V8 {( W. L; e/ Q4 I
d [(a+bx)c ] /dx = -kc +s - O. D* e: X6 B7 A; `where: only x and c are unknown, others are all known, requiire c = function of x, what is this function? ) }) ~! K9 @! q0 T+ G9 k这道题难倒了我们全班的人,请赐教! 3 d2 }# u8 N- G多谢! - k3 D, n( Y# ] n7 x4 O- r0 [: y. @& S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! * I! _# D; D; | 1 N: ?% ?8 J5 d) b/ V: J4 @[ Last edited by 醉酒当歌 on 2005-4-4 at 11:32 AM ]