作者imbeast (野兽超男子)
看板trans_math
标题[考古] 中原大学97
时间Thu Jul 16 09:07:41 2009
Suppose g is the inverse function of a differentiable function f and
let G(x)=1/g(x).If f(3)=2 and f'(3)=1/9,then G'(2)=
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 210.64.150.128
1F：→ imbeast:谢谢各位 210.64.150.128 07/16 09:08
2F：→ Ray1018:G'(x)=-g'(x)/(g(x))^2 并由题目知g(2)=3218.168.131.176 07/16 10:18
3F：→ Ray1018:且g'(2)=9 有错请指教@@218.168.131.176 07/16 10:19