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Mathematics
Mathematics
Problem
Equation of circle
S
(
x
,
y
)
=
0
S(x, y) = 0
S
(
x
,
y
)
=
0
,
S
(
2
,
3
)
=
16
S(2, 3) = 16
S
(
2
,
3
)
=
16
which touches the line
3
x
+
4
y
−
7
=
0
3x + 4y - 7 = 0
3
x
+
4
y
−
7
=
0
at (1, 1) is given by a.
x
2
+
y
2
+
x
+
2
y
−
5
=
0
x^2 + y^2 + x + 2y - 5 = 0
x
2
+
y
2
+
x
+
2
y
−
5
=
0
b.
x
2
+
y
2
+
2
x
+
2
y
−
7
=
0
x^2 + y^2 + 2x + 2y - 7 = 0
x
2
+
y
2
+
2
x
+
2
y
−
7
=
0
c.
x
2
+
y
2
+
4
x
−
6
y
+
13
=
0
x^2 + y^2 + 4x - 6y + 13 = 0
x
2
+
y
2
+
4
x
−
6
y
+
13
=
0
d.
x
2
+
y
2
−
4
x
+
6
y
−
7
=
0
x^2 + y^2 - 4x + 6y - 7 = 0
x
2
+
y
2
−
4
x
+
6
y
−
7
=
0
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