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Mathematics
Mathematics
Problem
Find the range of parameter 'a' for which the variable line
y
=
2
x
+
a
y = 2x + a
y
=
2
x
+
a
lies between the circle
x
2
+
y
2
−
2
x
−
2
y
+
1
=
0
x^2 + y^2 - 2x - 2y + 1 = 0
x
2
+
y
2
−
2
x
−
2
y
+
1
=
0
and
x
2
+
y
2
−
16
x
−
2
y
+
61
=
0
x^2 + y^2 - 16x - 2y + 61 = 0
x
2
+
y
2
−
16
x
−
2
y
+
61
=
0
without intersecting or touching either circle. The given circles are
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