x |
3x+1 |
1 |
an |
x |
a1 |
x2 |
a2 |
xn |
an |
an |
3an+1 |
1 |
an+1 |
3an+1 |
an |
1 |
an |
1 |
an+1 |
1 |
an |
1 |
an |
1 |
an |
1+3n-2 |
2 |
n(3n-1) |
2 |
3x2(1-xn-1) |
1-x |
x-(3n-2)xn+1 |
1-x |
3x2(1-xn-1) |
(1-x)2 |
x(1-x)-(3n-2)xn+1(1-x)+3x2(1-xn-1) |
(1-x)2 |
(3n-2)xn+2-(3n-2)xn+1+x-x2+3x2-3xn+1 |
(1-x)2 |
(3n-2)xn+2-(3n+1)xn+1+2x2+x |
(1-x)2 |
n(3n-1) |
2 |
(3n-2)xn+2-(3n+1)xn+1+2x2+x |
(1-x)2 |
A.28 | B.30 | C.42 | D.48 |
A.26 | B.24 | C.22 | D.20 |
an+λ |
3n |
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