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Problem
Problem
The tangent to the hyperbola
y
=
x
+
9
x
+
5
y = \frac{x+9}{x+5}
y
=
x
+
5
x
+
9
passing through the origin is a.
x
+
25
y
=
0
x + 25y = 0
x
+
25
y
=
0
b.
5
x
+
y
=
0
5x + y = 0
5
x
+
y
=
0
c.
5
x
−
y
=
0
5x - y = 0
5
x
−
y
=
0
d.
x
−
25
y
=
0
x - 25y = 0
x
−
25
y
=
0
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