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Mathematics
Problem
The line
b
x
+
a
y
=
3
a
b
bx + ay = 3ab
b
x
+
a
y
=
3
ab
cuts the coordinate axes at A and B, then centroid of
Δ
O
A
B
\Delta OAB
Δ
O
A
B
is- (1)
(
b
,
a
)
(b, a)
(
b
,
a
)
(2)
(
a
,
b
)
(a, b)
(
a
,
b
)
(3)
(
a
/
3
,
b
/
3
)
(a/3, b/3)
(
a
/3
,
b
/3
)
(4)
(
3
a
,
3
b
)
(3a, 3b)
(
3
a
,
3
b
)
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