Q8 q8 b# D' {' C! ^d [(a+bx)c ] /dx = -kc +s ; d. D& E' b! T r; z" \
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function?* \6 E6 C3 R8 P1 V" q
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多谢了! . I- |! j; S: F4 N( G - @2 q4 Q: d, D0 \5 n/ |/ V- N[ 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6 Q8 {, W- d. Z( i2 S$ W4 O7 c7 c
d [(a+bx)c ] /dx = -kc +s ' X6 T3 D7 t$ N4 A& C& A( v @where: only x and c are unknown, others are all known, requiire c = function of x, what is this function? ! c5 E- e7 w: S4 g这道题难倒了我们全班的人,请赐教!9 `1 p: {& r. [
多谢! $ s4 `4 U8 A( |0 v6 g( k3 x- U' W + d4 H5 j0 b0 S' X+ t' j" G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!: c) A7 h; Y3 U" l: F
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[ Last edited by 醉酒当歌 on 2005-4-4 at 11:32 AM ]