请教大家一道微分题,多谢!(原题贴错,现纠正,多谢!) % v ~+ m- \5 u. [3 n5 Y* W9 b: v4 U5 C$ r# \0 [% O
d [(a+bx)c ] /dx = -kc +s 7 `- L( I5 |$ X, Hwhere: only x and c are unknown, others are all known, requiire c = function of x, what is this function? 2 M4 A* { z% A+ a , X2 N6 A5 J8 b) O% f" z多谢了!: X1 T( Q. S' z3 F
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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8 m* Y4 x0 \/ X# @8 W( V# |& z
d [(a+bx)c ] /dx = -kc +s, y7 K- i1 ~% g/ x$ a
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function?" C. m$ P' q; B2 t7 F+ z
这道题难倒了我们全班的人,请赐教!8 N- L) s4 ^3 U3 c/ T: [. }! B
多谢! : x3 W$ e7 Z' g) m* D4 ~" F- q1 p5 d5 b3 T' ~) A) F
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!: d3 }5 [( N" _% x3 J+ a
7 K h: V8 d# p[ Last edited by 醉酒当歌 on 2005-4-4 at 11:32 AM ]