题目内容
定积分∫
(x+
)dx 的值等于______.
|
| 1 |
| x |
定积分∫
(x+
)dx,
∴∫
(x+
)dx=(
x2+lnx
=
×4+ln2-(
+ln1)=
+ln2,
故答案为ln2+
;
|
| 1 |
| x |
∴∫
|
| 1 |
| x |
| 1 |
| 2 |
| )| | 21 |
| 1 |
| 2 |
| 1 |
| 2 |
| 3 |
| 2 |
故答案为ln2+
| 3 |
| 2 |
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