请教大家一道微分题,多谢!(原题贴错,现纠正,多谢!) 5 K- v9 {; _' b8 X% ?4 L. C8 ~. x% ~$ I& S1 a# M6 I7 o3 m0 o! Z
d [(a+bx)c ] /dx = -kc +s 9 @/ i" p7 B. P" }1 |where: only x and c are unknown, others are all known, requiire c = function of x, what is this function? , b) z5 E( \* z) ^5 b5 u$ ~) w+ ^8 u4 G5 J: G2 B, c. N
多谢了!" `% K" J) C% @
% t; P& T Q/ A3 e) U- k# T[ 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 0 K$ r( t) x" d7 e) yd [(a+bx)c ] /dx = -kc +s4 H4 X8 {0 q2 {0 S8 R( Z
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function? ' q* h! ]* e: t/ g这道题难倒了我们全班的人,请赐教!& J- h+ p: B7 g6 q) r9 L6 r/ o6 X& s
多谢!& n9 L/ F8 b9 f b) w9 b, _# }
2 N2 P- e0 E- ]2 {' l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!8 \. O+ H# A6 {2 |( P2 U x1 C; c) Q5 n
$ ]- g+ i8 K$ ?0 H3 L7 a& B[ Last edited by 醉酒当歌 on 2005-4-4 at 11:32 AM ]