lim |
x→0 |
f(1)-f(1-2x) |
2x |
A.2 | B.-1 | C.1 | D.-2 |
lim |
x→0 |
f(1)-f(1-2x) |
2x |
lim |
x→0 |
f(1)-f(1-2x) |
1-(1-2x) |
A.极大值5,极小值-27 | B.极大值5,极小值-11 |
C.极大值5,无极小值 | D.极小值-27,无极大值 |
A.a=1,b=1 | B.a=-1,b=1 | C.a=1,b=-1 | D.a=-1,b=-1 |
A.-1<a<2 | B.-3<a<6 | C.a<-3或a>6 | D.a<-1或a>2 |
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