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1.y =f (x)???

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Title: Author: qjf Last modified by: user Created Date: 4/6/2002 12:34:39 PM Document presentation format: Company – PowerPoint PPT presentation

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Title: 1.y =f (x)???


1
????????
  • ??????????
  • ??????
  • ??????????

2
?? ??????????
1.y f (x)??? 2.y f (x)??x0????????????yf(x)??P(
x0,f(x0)) ???????.??
?f(x)??x0? ???(????)?
??????? 3.????????SS(t),??????t?????? ????????S
???t ????
3
4.???????yf(x)??x0????????? 5.????yf(x)???f
'(x)???,??f ?(x)?y? ????????as?(t)
(1)??y (2)? (3)???
4
??1(1) ?????????,??????ss(t)t2 ????m,????s).?
???t5??????(?????)
??ss(5?t)-s(5)(5?t)2-52?t210?t
5
  • (2)?f(x)?????,?
  • ??( )
  • B. 2 C. -2
    D.0
  • (3)?f(x)?xx0???,?

  • ??( )
  • 1 B. 0 C. 3
    D.
  • (4)?
    ?,?x??( )
  • A. ??0 B.??0 C. ??0
    D.??0???0

B
D
C
6
??????1.??????
  • c'0(c???)
  • (xm) 'mxm-1(m?Q)
  • (sinx) 'cosx
  • (cosx) '-sinx
  • (ex) 'ex
  • (ax) 'ax lna
  • (lnx) '

7
2.???????????
  • (uv) 'u'v'
  • (uv) 'u'vuv'
  • 3.???????
  • yx'yu'ux'

8
??2????????? (1)y
(3)yln(xsinx) (2)y
(4)y
?(1)y' (2) (3) (4)
9

??3 1.??????yx2-1?y1-x3 (1)??????xx0??????????
,?x0 .
(2)??????xx1??????????,?x1 .
2.??f(x)cos2x ,?
. 3.????yx3????????3,????? ?.

0?
4
2
10
??1.?????yax2bxc???(1,1),???(2,-1)
????yx-3??,?a,b,c???
??y'2axb, ?
?
??(1,1)?????,?abc1? ?
??(2,-1)?????,?4a2bc -1?
?????,?,???a3,b-11,c9
11
??2.???(2,0)????y ????????
?????????????P(a,b) ?
??????? ??(2,0)????,????,?a2b2-a ------?
??P(a,b)??? ?,?ab1
------------? ???,??? a1,b1
??????? xy-20
12

??4 (1)??yx4?????4??????? .
(2)???ycosx??? ??????????? ?????
. (3)?l1???ysinx??(0,0
)????,l2??? ycosx?? ????,?l1?l2??????
. (4)?????????st23,????????
. ???(3,3?t)?,??????
.??? ???? . ?t3????????
.

4x-y-30
90
0
6?t
2
6
13
?????
1.?????????????. 2.???????? 3.???????????????
??
????f(x)????(a,b)????????,????(a,b)????????x0?????
????f'(x0),???????????,?????,??????????,??????????
???,?????????????????,?????f'(x),??
f'(x0)f'(x)xx
??????????????????????????
??????????????????????????
14
???????????????
???(0,0)?
?????
  • ???????????????????,?????
  • ????????,???????
  • ?????????????,????

15
??????O????
16
?????
1.??????????????????????????????????????. 2.????y
??x???,?x????,? ?x ?0????.?????????????????????. 3
.??????????,?????????,????????????.???????????????
??,???????????????????????????????.
17
????
1.????p141.?5????????? 2.??.??????.B??6?.
18
??????
???? ??????? ??? 2002.4
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