A1B1 |
A1N |
2ax2+x+1 |
x |
y2-y1 |
x2-x1 |
lnx2-lnx1 |
x2-x1 |
A1B1 |
A1N |
x2+(λ-1)x1 |
λ |
λ(x2-x1) |
x2+(λ-1)x1 |
x2 |
x1 |
2ax2+x+1 |
x |
2ax2+x+1 |
x |
1 |
x |
1 |
x |
1 |
x |
1 |
x |
y2-y1 |
x2-x1 |
lnx2-lnx1 |
x2-x1 |
A1B1 |
A1N |
x2+(λ-1)x1 |
λ |
λ |
x2+(λ-1)x1 |
x2+(λ-1)x1 |
λ |
λ |
x2+(λ-1)x1 |
lnx2-lnx1 |
x2-x1 |
a |
λ |
a |
λ |
λ |
x2+(λ-1)x1 |
lnx2-lnx1 |
x2-x1 |
λ(x2-x1) |
x2+(λ-1)x1 |
x2 |
x1 |
x2 |
x1 |
λ(x2-x1) |
x2+(λ-1)x1 |
x2 |
x1 |
λ(t-1) |
t+(λ-1) |
λ(t-1) |
t+(λ-1) |
-t2+(λ2-2λ+2)t-(λ-1)2 |
t(t+λ-1)2 |
(λ-1)2+1 |
2 |
1 |
2 |
(λ-1)2+1 |
2 |
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2 |
π |
2 |
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