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Mathematics
Mathematics
Problem
- If the chord of contact of tangents from a point
(
x
1
,
y
1
)
(x_1, y_1)
(
x
1
,
y
1
)
to the circle
x
2
+
y
2
=
a
2
x^2 + y^2 = a^2
x
2
+
y
2
=
a
2
touches the circle
(
x
−
a
)
2
+
y
2
=
a
2
(x - a)^2 + y^2 = a^2
(
x
−
a
)
2
+
y
2
=
a
2
, then the locus of
(
x
1
,
y
1
)
(x_1, y_1)
(
x
1
,
y
1
)
is a. a circle b. a parabola c. an ellipse d. a hyperbola
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