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Mathematics
Problem
A straight line with slope 2 and y-intercept 5 touches the circle,
x
2
+
y
2
+
16
x
+
12
y
+
c
=
0
x^2 + y^2 + 16x + 12y + c = 0
x
2
+
y
2
+
16
x
+
12
y
+
c
=
0
at a point Q. Then the coordinates of Q are (A)
(
−
6
,
11
)
(-6, 11)
(
−
6
,
11
)
(B)
(
−
9
,
−
13
)
(-9, -13)
(
−
9
,
−
13
)
(C)
(
−
10
,
−
15
)
(-10, -15)
(
−
10
,
−
15
)
(D)
(
−
6
,
−
7
)
(-6, -7)
(
−
6
,
−
7
)
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