f2(1)+f(2) |
f(1) |
f2(2)+f(4) |
f(3) |
f2(3)+f(6) |
f(5) |
f2(4)+f(8) |
f(7) |
f(n+1) |
f(n) |
f2(1)+f(2) |
f(1) |
f2(2)+f(4) |
f(3) |
f2(3)+f(6) |
f(5) |
f2(4)+f(8) |
f(7) |
2f(2) |
f(1) |
2f(4) |
f(3) |
2f(6) |
f(5) |
2f(8) |
f(7) |
|
A.(
| B.[
| C.(1,3) | D.(2,3) |
A.4 | B.-4 | C.-5 | D.-6 |
5 |
2 |
A.f(x1)<f(x2) | B.f(x1)>f(x2) | C.f(x1)+f(x2)<0 | D.f(x1)+f(x2)>0 |
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