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Mathematics
Mathematics
Problem
If the line passing through the points
(
−
1
,
8
)
(-1, 8)
(
−
1
,
8
)
and
(
0
,
6
)
(0, 6)
(
0
,
6
)
is tangent to the curve
y
=
a
2
x
−
1
y = \frac{a^2}{x-1}
y
=
x
−
1
a
2
then
a
2
a^2
a
2
equals (a) 2 (b) 4 (c) 1 (d) 8
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