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Mathematics
Mathematics
Problem
Tangents are drawn to the circles
x
2
+
y
2
+
4
x
+
6
y
−
19
=
0
x^2 + y^2 + 4x + 6y - 19 = 0
x
2
+
y
2
+
4
x
+
6
y
−
19
=
0
,
x
2
+
y
2
=
9
x^2 + y^2 = 9
x
2
+
y
2
=
9
from any point on the line
2
x
+
3
y
=
5
2x + 3y = 5
2
x
+
3
y
=
5
. Prove that their lengths are equal.
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