有無人識計QM.....

cannavavc · 發表於 2005-4-21 19:22:09

有無人識計1c同2e呀....
聽日交喇.....

yuren · 發表於 2005-4-21 20:14:31

2 e
d兩次
搵個range

cannavavc · 發表於 2005-4-21 20:42:58

Originally posted by yuren at 2005-4-21 20:14:
2 e
d兩次
搵個range

咁係唔係d完兩次之後
如果係等如0既就係inflection喇

MZN · 發表於 2005-4-21 21:44:13

Originally posted by cannavavc at 2005-4-21 08:42 PM:

咁係唔係d完兩次之後
如果係等如0既就係inflection喇

d 2次=0
就係pt. of inflection

cannavavc · 發表於 2005-4-21 22:02:10

Originally posted by MZN at 2005-4-21 21:44:

d 2次=0
就係pt. of inflection

原來係咁....
死喇...
下個月就final....但係我仲未清d concept....

就咁問我識計....
文字題就死晒....

MZN · 發表於 2005-4-21 22:21:21

Originally posted by cannavavc at 2005-4-21 10:02 PM:

原來係咁....
死喇...
下個月就final....但係我仲未清d concept....

就咁問我識計....
文字題就死晒....

wut is QM??

FlyingDonkey · 發表於 2005-4-22 08:26:47

1c - D 完再找 maximum

Erlkoing上的KK · 發表於 2005-4-26 02:59:54

Originally posted by MZN at 2005-4-21 10:21 PM:

wut is QM??

我都想問

cannavavc · 發表於 2005-4-26 06:46:37

quantitative method

天生射手 · 發表於 2005-4-26 08:14:36

1c)
Set N'(t)=0
s.t. it has a root x
N"(t) when t=x <0 =>Maxima at t=x
N"(t) when t=x >0 =>Minima at t=x

		自動登錄	找回密碼
密碼			會員申請