x2 |
a2 |
y2 |
b2 |
2 |
3 |
A.
| B.
| C.
| D.
|
y1-y |
x1-x |
-y1-y |
-x1-x |
y2-
| ||
x2-
|
x2 |
a2 |
y2 |
b2 |
x12 |
a2 |
y12 |
b2 |
y2-
| ||
x2-
|
b2 |
a2 |
2 |
3 |
b2 |
a2 |
2 |
3 |
b2 |
a2 |
2 |
3 |
a2-c2 |
a2 |
2 |
3 |
c |
a |
| ||
3 |
| ||
3 |
x2 |
m2 |
y2 |
n2 |
x2 |
25 |
y2 |
m |
A.-16 | B.-4 | C.16 | D.4 |
x2 |
a2 |
y2 |
b2 |
4 |
5 |
5 |
A.(0,
| B.(0,
| C.(0,
| D.(0,
|
x2 |
4 |
y2 |
3 |
A.2 | B.3 | C.2
| D.4 |
x2 |
a2 |
y2 |
b2 |
A.(0,
| B.(
| C.[
| D.[
|
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