16 |
3 |
16 |
3 |
16 |
3 |
p |
2 |
p |
2 |
t2 |
4 |
-t | ||
|
2t |
t2-1 |
2 |
2
| ||
2-1 |
2 |
2 |
p |
2 |
p |
2 |
|
1 |
4 |
p2 |
4 |
-y1 | ||
x1+
|
k(x1-
| ||
x1+
|
k(x2-
| ||
x2+
|
k(x1x2-
| ||
x1x2+
|
k(x1-
| ||
x1+
|
p |
2 |
x2 |
a2 |
y2 |
b2 |
a2 |
c |
x2 |
a2 |
y2 |
b2 |
a2 |
c |
OA |
OB |
3 |
3 |
x2 |
a2 |
PA |
5 |
12 |
PB |
2 |
AP |
x2 |
a2 |
y2 |
b2 |
x2 |
a2 |
y2 |
b2 |
A.k1+k2=k3+k4 | B.k1+k3=k2+k4 |
C.k1+k2=-(k3+k4) | D.k1+k3=-(k2+k4) |
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