A line passing through `P(4, 2)` meet the `X` and `Y`-axes at `A` and `B,` respectively. If `O` is the origin, then locus of the centre of the circumference of triangle `OAB` is

A line passing through P(4, 2) meets the x and y-axis at A and B respectively. If O is the origin, then locus of the centre of the circumcircle of DeltaOAB is :

A line passing through the point P(4,2) meets the x and y-axis at A and B respectively. If O is the origin, then locus of the centre of the circumcircle of triangle OAB is

A line passing through P(3,4) meets the x -axis and y -axis at A and B respectively. If O is the origin, then locus of the centre of the circum centre of Delta O A B is

A line passing through P(4,2) cuts the coordinate axes at A and B respectively. If O Is the origin, then the locus of the centre of the circum-circle of Delta OAB is

A variable straight line passes through a fixed point (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) bx+ ay-3xy=0 (B) bx+ay-2xy=0 (C) ax+by-3xy=0 (D) ax+by-2xy=0.

A line passing through (3,4) meets the axes bar(OX) and bar(OY) at A and B respectively. The minimum area of triangle OAB in square units is

A line passing through (3,4) meets the axes bar(OX) and bar(OY)atA and B respectively.The minimum area of the triangle OAB in square units is

The line 7x+4y=28 cuts the coordinate axes at A and B. If O is the origin,then the ortho-centre of OAB is