(x-2)3-(x-1)2+1 |
x-2 |
A.2009 | B.2010 | C.2011 | D.2012 |
x2-2x |
x-2 |
1 |
b |
1 |
c |
1 |
c |
1 |
a |
1 |
a |
1 |
b |
x4+x2+5 |
(x2+1)2 |
3 |
x4-6x3-2x2+18x+23 |
x2-8x+15 |
x-2x+2 |
2x+2 |
A.有极大值-1 | B.有极小值-1 | C.有极大值1 | D.有极小值1 |
b-c |
(a-b(a-c) |
c-a |
(b-c)(b-a) |
a-b |
(c-a)(c-b) |
2 |
a-b |
2 |
b-c |
2 |
c-a |
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