| f(x) |
| x |
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| 42 |
| 1 |
| (n+1)2 |
| n |
| 2(n+1)(n+2) |
| f(x1+x2) |
| x1+x2 |
| f(x1) |
| x1 |
| f(x1+x2) |
| x1+x2 |
| f(x2) |
| x2 |
| 1 |
| (n+1)2 |
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| (n+1)2 |
| f(x) |
| x |
| f/(x)•x-f(x) |
| x2 |
| f(x) |
| x |
| f(x) |
| x |
| f(x1+x2) |
| x1+x2 |
| f(x1) |
| x1 |
| f(x1+x2) |
| x1+x2 |
| f(x2) |
| x2 |
| x1 |
| x1+x2 |
| x2 |
| x1+x2 |
| 1 |
| (n+1)2 |
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| (n+1)2 |
| 1 |
| 1•2 |
| 1 |
| 2•3 |
| 1 |
| n(n+1) |
| 1 |
| n+1 |
| 1 |
| 2•3 |
| 1 |
| (n+1)(n+2) |
| 1 |
| 2 |
| 1 |
| n+2 |
| 1 |
| n+1 |
| 1 |
| n+1 |
| 1 |
| n+1 |
| 1 |
| 2 |
| 1 |
| n+2 |
| n |
| 2(n+1)(n+2) |
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| 42 |
| 1 |
| (n+1)2 |
| n |
| 2(n+1)(n+2) |
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| 42 |
| 1 |
| (n+1)2 |
| n |
| 2(n+1)(n+2) |
科目:高中數學 來源: 題型:
| f(x) | x |
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科目:高中數學 來源: 題型:
| f(x) |
| x |
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| 42 |
| 1 |
| (n+1)2 |
| n |
| 2(n+1)(n+2) |
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科目:高中數學 來源: 題型:
| 7f(1) |
| 3 |
| f(2) |
| 2 |
| 2 |
| 3 |
| n |
| f(n) |
| lim |
| n→∞ |
A、
| ||
| B、1 | ||
| C、-2 | ||
D、-
|
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科目:高中數學 來源:2011年遼寧省名校高三數學單元測試:算法、復數、推理與證明(解析版) 題型:解答題
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