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TMUA 2018 · Paper 1 · Question 3
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Find the shortest distance between the two circles with equations:
(
x
+
2
)
2
+
(
y
−
3
)
2
=
18
(
x
−
7
)
2
+
(
y
+
6
)
2
=
2
A
0
B
4
C
16
D
2
2
E
5
2