x3+sinx |
x4+cosx+2 |
A、M+N=0 | ||
B、M-N=0 | ||
C、MN=0 | ||
D、
|
x3+sinx |
x4+cosx+2 |
(-x)3+sin(-x) |
(-x)4+cos(-x)+2 |
x3+sinx |
x4+cosx+2 |
x3+sinx |
x4+cosx+2 |
x3+sinx |
x4+cosx+2 |
(-x)3+sin(-x) |
(-x)4+cos(-x)+2 |
x3+sinx |
x4+cosx+2 |
x3+sinx |
x4+cosx+2 |
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