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JEEMAIN-2014
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Q)
The circumcentre of a triangle lies at the origin and its centroid is the mid point of the line segment joining the points
(
a
2
+
1
,
a
2
+
1
)
and
(
2
a
,
−
2
a
)
,
a
≠
0
.Then for any a , the orthocentre of this triangle lies on the line :
(
a
)
y
−
2
a
x
=
0
(
b
)
y
−
(
a
2
+
1
)
x
=
0
(
c
)
y
+
x
=
0
(
d
)
(
a
−
1
)
2
x
−
(
a
+
1
)
2
y
=
0
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