BP |
PC |
AC |
PA |
PQ |
BC |
A.( 2,7) | B.(6,21) | C.(2,-7) | D.(-6,21) |
BP |
PC |
BP |
2 |
3 |
BC |
BC |
PC |
1 |
3 |
BC |
x |
3 |
y |
3 |
AC |
PQ |
1 |
2 |
PA |
PC |
PA |
PQ |
1 |
2 |
x |
3 |
y |
3 |
x |
6 |
y |
6 |
3 |
2 |
BC |
A.
| B.
| ||||||||||||||
C.
| D.
|
a |
a |
a |
b |
b |
a |
a |
b |
a |
b |
0 |
a |
b |
a |
b |
0 |
a |
b |
a |
b |
0 |
A.(-4,2) | B.(2,4) | C.(-4,-4) | D.(-4,-2) |
a |
b |
a |
b |
c |
c• |
b |
a |
b |
c |
BA |
BM |
BN |
a |
b |
a |
b |
a |
b |
c |
a |
b |
m |
a |
c |
A.1 | B.2 | C.3 | D.4 |
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