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Mathematics
Mathematics
Problem
If the equation
a
x
2
−
6
x
y
+
y
2
+
2
g
x
+
2
f
y
+
c
=
0
ax^2 - 6xy + y^2 + 2gx + 2fy + c = 0
a
x
2
−
6
x
y
+
y
2
+
2
g
x
+
2
f
y
+
c
=
0
represents a pair of lines whose slopes are
m
m
m
and
m
2
m^2
m
2
then sum of all possible values of
a
a
a
is (a) 17 (b)
−
19
-19
−
19
(c) 19 (d)
−
17
-17
−
17
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