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Mathematics
Mathematics
Problem
Point
P
P
P
lies outside a circle of radius
r
r
r
. The distance
O
P
OP
O
P
is
2
r
2r
2
r
, where
O
O
O
is the center. Tangents
P
A
PA
P
A
and
P
B
PB
P
B
are drawn to the circle. Determine the length of the chord of contact
A
B
AB
A
B
in terms of
r
r
r
.
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