Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
A variable straight line passes through a fixed point
(
a
,
b
)
(a, b)
(
a
,
b
)
intersecting the co-ordinates axes at A & B. If 'O' is the origin then the locus of the centroid of the triangle OAB is : (A)
b
x
+
a
y
−
3
x
y
=
0
bx + ay - 3xy = 0
b
x
+
a
y
−
3
x
y
=
0
(B)
b
x
+
a
y
−
2
x
y
=
0
bx + ay - 2xy = 0
b
x
+
a
y
−
2
x
y
=
0
(C)
a
x
+
b
y
−
3
x
y
=
0
ax + by - 3xy = 0
a
x
+
b
y
−
3
x
y
=
0
(D) none of these
Browse the problem library