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Mathematics
Mathematics
Problem
The tangent from the point of intersection of the lines
2
x
−
3
y
+
1
=
0
2x - 3y + 1 = 0
2
x
−
3
y
+
1
=
0
and
3
x
−
2
y
−
1
=
0
3x - 2y - 1 = 0
3
x
−
2
y
−
1
=
0
to the circle
x
2
+
y
2
+
2
x
−
4
y
=
0
x^2 + y^2 + 2x - 4y = 0
x
2
+
y
2
+
2
x
−
4
y
=
0
is - (A)
x
+
2
y
=
0
x + 2y = 0
x
+
2
y
=
0
,
x
−
2
y
+
1
=
0
x - 2y + 1 = 0
x
−
2
y
+
1
=
0
(C)
y
=
x
y = x
y
=
x
,
y
=
3
x
−
2
y = 3x - 2
y
=
3
x
−
2
(B)
2
x
−
y
−
1
=
0
2x - y - 1 = 0
2
x
−
y
−
1
=
0
(D)
2
x
+
y
+
1
=
0
2x + y + 1 = 0
2
x
+
y
+
1
=
0
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