题目内容
(1)求极限
(1-
)x.
(2)设y=xln(1+x2),求y'
| lim |
| n→∞ |
| 1 |
| 2x |
(2)设y=xln(1+x2),求y'
(1)
(1-
)x=
[(1-
)-2x]-
=e-
(2)y′=ln(1+x2)+
.
| lim |
| n→∞ |
| 1 |
| 2x |
| lim |
| n→∞ |
| 1 |
| 2x |
| 1 |
| 2 |
| 1 |
| 2 |
(2)y′=ln(1+x2)+
| 2x2 |
| 1+x2 |
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