Let a & b be any two numbers satisfying `1/a^2 + 1/b^2 = 1/4`.Then, the foot of the perpendicular from the origin on variable line `x/a + y/b = 1` lies on

Let a o* b be any two numbers satisfying (1)/(a^(2))+(1)/(b^(2))=(1)/(4) .Then,the foot of the perpendicular from the origin on variable line (x)/(a)+(y)/(b)=1 lies on

The length of perpendicular from the origin on the line x/a + y/b = 1 is -

If p be the length of the perpendicular from the origin on the line x/a+y/b=1 , then

If 2p is the length of perpendicular from the origin to the lines x/a+ y/b = 1, then a^2,8p^2,b^2 are in

A variable plane through a fixed point (1, 2, 3) then the foot of the perpendicular from the origin to the plane lies on

The foot of the prependicular from the origin to the line joining A(-9, 4, 5) and B( 11, 0, -1) lies on the plane___

The locus of the foot of the perpendicular from the foci an any tangent to the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 , is

The locus of the foot of the perpendicular from the foci an any tangent to the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 , is