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Mathematics
Problem
Let the tangents drawn from the origin to the circle,
x
2
+
y
2
−
8
x
−
4
y
+
16
=
0
x^2 + y^2 - 8x - 4y + 16 = 0
x
2
+
y
2
−
8
x
−
4
y
+
16
=
0
touch it at the points A and B. Then
(
A
B
)
2
(AB)^2
(
A
B
)
2
is equal to : (1)
52
5
\frac{52}{5}
5
52
(2)
32
5
\frac{32}{5}
5
32
(3)
56
5
\frac{56}{5}
5
56
(4)
64
5
\frac{64}{5}
5
64
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