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AP EAMCET Engineering 2015 Code C Paper
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© examsnet.com
Question : 14
Total: 160
The sum of the minimum and maximum distance of the point
(
4
,
−
3
)
to the circle
x
2
+
y
2
+
4
x
−
10
y
−
7
=
0
10
12
16
20
Validate
Solution:
S
.
D
=
C
P
−
r
L
.
D
=
C
P
+
r
S
.
D
+
L
.
D
=
2
C
P
=
20
C
=
(
−
2
,
5
)
P
(
4
,
−
3
)
2
C
P
=
20
C
P
=
√
36
+
64
=
10
© examsnet.com
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