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 |
(n+1)2 |
1 |
(n+1)2 |
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(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 |
(n+1)2 |
1 |
(n+1)2 |
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(shù)學 來源: 題型:
f(x) | x |
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科目:高中數(shù)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(shù)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(shù)學 來源:2011年遼寧省名校高三數(shù)學單元測試:算法、復數(shù)、推理與證明(解析版) 題型:解答題
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