题目内容
计算
(n∈N*)的结果为( )
(2n+1)2•(
| ||
| 4n•8-2 |
A.
| B.22n+5 | C.2n2-2n+6 | D.(
|
(2n+1)2•(
| ||
| 4n•8-2 |
| 22n+2•2-2n-1 |
| 22n•2-6 |
| 2 |
| 22n-6 |
| 1 |
| 2 |
故选D.
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题目内容
(2n+1)2•(
| ||
| 4n•8-2 |
A.
| B.22n+5 | C.2n2-2n+6 | D.(
|
(2n+1)2•(
| ||
| 4n•8-2 |
| 22n+2•2-2n-1 |
| 22n•2-6 |
| 2 |
| 22n-6 |
| 1 |
| 2 |