作者victor7935 (victor)
看板trans_math
标题[微分] 有些题目不会写!!....
时间Sun Nov 9 00:07:16 2008
1.
Set f(x)= cosx. Show that finding f'(0) from the definition of
derivative amounts to finding
cosx - 1
lim ----------
x→0 x
2. 2
d [ 2 d ]
---- [ t ---- (t cos3t) ]
[ ] .....这样写不知道看不看得懂!!= =...
dt [ 2 ]
dt
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.123.221.147
1F:推 zptdaniel:你英该连导数的定义都不知道吧.. 123.194.99.216 11/09 00:44
2F:→ zptdaniel: 应该 123.194.99.216 11/09 00:44
3F:→ victor7935:知道...= = ''其实..有事後是题目都看140.123.221.147 11/09 01:06
4F:→ victor7935:不懂!!...应用题最严重140.123.221.147 11/09 01:06
5F:推 Honor1984:要背一下基本常用的术语 查生字 122.124.98.225 11/09 01:22