1 |
22 |
1 |
32 |
1 |
(n+1)2 |
n |
2(n+1)(n+2) |
x |
1+x |
f(x) |
x |
f(x) |
x |
1 |
1+x |
x |
1+x |
f(x) |
x |
xf′(x)-f(x) |
x2 |
f(x) |
x |
f(x1+x2) |
x1+x2 |
f(x1) |
x1 |
1 |
22 |
1 |
4 |
1 |
2×2×3 |
1 |
4 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
3 |
1 |
22 |
1 |
32 |
1 |
(k+1)2 |
k |
2(k+1)(k+2) |
1 |
22 |
1 |
32 |
1 |
(k+1)2 |
1 |
[(k+1)+1]2 |
k |
2(k+1)(k+2) |
1 |
[(k+1)+1]2 |
k+1 |
2(k+2)(k+3) |
k+1 |
2(k+2)(k+3) |
k |
2(k+1)(k+2) |
1 |
[(k+1)+1]2 |
k+1 |
2(k+2)(k+3) |
1 |
2(k+2) |
k |
k+1 |
k+1 |
k+3 |
1 |
(k+2)2 |
k+1 |
2(k+2)(k+3) |
1 |
2(k+2) |
k-1 |
(k+1)(k+3) |
1 |
(k+2)2 |
k+1 |
2(k+2)(k+3) |
1 |
22 |
1 |
32 |
1 |
(n+1)2 |
n |
2(n+1)(n+2) |
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2 |
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f(x) |
1 |
2 |
1 |
2 |
1 |
2 |
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