请教大家一道微分题,多谢!(原题贴错,现纠正,多谢!) 4 M0 b, c. U$ v l$ P3 u4 @! j* l
d [(a+bx)c ] /dx = -kc +s # T" Q; E' S8 q# U# I7 M4 Mwhere: only x and c are unknown, others are all known, requiire c = function of x, what is this function? / X/ I3 \5 a X - l8 s X1 \, g6 m8 F* t& u9 `0 X多谢了! + ~4 u( O/ p3 v8 H- k; a0 e3 z4 T# E2 e8 C/ k+ n/ W! d6 F
[ 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. A( b( z$ r! [% X
d [(a+bx)c ] /dx = -kc +s3 G+ h* Z" U# P3 w* O; i8 O
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function? / ~2 j: B v3 k8 h8 J& [% u/ H$ Y2 J这道题难倒了我们全班的人,请赐教! - U: \1 S! ~! Y* W多谢! E; H7 G0 u1 } ( m4 l% R( l- Y* a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! ! M6 t9 [! ?+ S- V1 D/ R+ `% H$ ^, F+ r7 @1 ]6 t2 Q+ I
[ Last edited by 醉酒当歌 on 2005-4-4 at 11:32 AM ]