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Mathematics
Mathematics
Problem
If the lines
l
x
+
m
y
+
n
=
0
lx + my + n = 0
l
x
+
m
y
+
n
=
0
passes through the extremities of a pair of conjugate diameters of the hyperbola
x
2
a
2
−
y
2
b
2
=
1
\frac{x^2}{a^2} - \frac{y^2}{b^2} = 1
a
2
x
2
−
b
2
y
2
=
1
, show that
a
2
l
2
−
b
2
m
2
=
0
a^2 l^2 - b^2 m^2 = 0
a
2
l
2
−
b
2
m
2
=
0
.
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