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Mathematics
Problem
- The locus of the centre of the circle which cuts orthogonally the circle
x
2
+
y
2
−
20
x
+
4
=
0
x^2 + y^2 - 20x + 4 = 0
x
2
+
y
2
−
20
x
+
4
=
0
and which touches
x
=
2
x = 2
x
=
2
is a.
x
2
=
16
y
x^2 = 16y
x
2
=
16
y
b.
x
2
=
16
y
+
4
x^2 = 16y + 4
x
2
=
16
y
+
4
c.
y
2
=
16
x
y^2 = 16x
y
2
=
16
x
d.
y
2
=
16
x
+
4
y^2 = 16x + 4
y
2
=
16
x
+
4
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