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EAMCET Engineering 2006 Solved Paper
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© examsnet.com
Question : 134
Total: 160
The length of the tangent drawn to the circle
x
2
+
y
2
−
2
x
+
4
y
−
11
=
0
from the point
(
1
,
3
)
is :
1
2
3
4
Validate
Solution:
The length of the tangent drawn to the circle
x
2
+
y
2
−
2
x
+
4
y
−
11
=
0
from the point
(
1
,
3
)
=
√
1
2
+
3
2
−
2
⋅
1
+
12
−
11
=
√
1
+
9
−
2
+
12
−
11
=
√
22
−
13
=
√
9
=
3
© examsnet.com
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