题目内容
已知函数f(x)=x3+x,若实数a,b满足f(a-1)+f(b)=0,则a+b =
[ ]
A.-2
B.-1
C.0
D.1
B.-1
C.0
D.1
D
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A、f(x)=2sin(πx+
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题目内容
| π |
| 2 |
A、f(x)=2sin(πx+
| ||
B、f(x)=2sin(2πx+
| ||
C、f(x)=2sin(πx+
| ||
D、f(x)=2sin(2πx+
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