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Mathematics
Mathematics
Problem
A line intersects the coordinate axes at
A
A
A
and
B
B
B
, and forms an angle of
30
∘
30^{\circ}
3
0
∘
with the positive
x
x
x
-axis. If the centroid of
△
O
A
B
\triangle OAB
△
O
A
B
(where
O
O
O
is the origin) lies on the line
x
−
2
y
+
1
=
0
x - 2y + 1 = 0
x
−
2
y
+
1
=
0
, obtain the equation of the line
A
B
AB
A
B
.
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