The perpendicular from the origin to a line meets it at the point `(2,9)` , find the equation of the line.

If the foot of perpendicular from the origin to a straight line is at the point (3,-4),then the equation of the line is ___

If the foot of the perpendicular from the origin to a straight line is at (3,-4) , then find the equation of the line.

The perpendicular from the origin to the line y = mx + c meets it at the point (-1, 2) . Find the values of m and c.

The coordinates of the foot of the perpendicular drawn from the origin upon a line are (h,k) , show that the equation of the line is hx+ky=h^(2)+k^(2)(h^(2)+k^(2)ne0) .

The variable coefficients a, b in the equation of the straight line (x)/(a) + (y)/(b) = 1 are connected by the relation (1)/(a^(2)) + (1)/(b^(2)) = (1)/(c^(2)) where c is a fixed constant. Show that the locus of the foot of the perpendicular from the origin upon the line is a circle. Find the equation of the circle.

The inclination of a straight line is 150^(@) , if the perpendicular distance of the line from the origin is 10 units , find the equation of the straight line .

The length of the perpendicular from the origin to the plane passing through the points veca and containing the line vecr = vecb + lambda vecc is

If p is the length of the perpendicular from the origin on the line whose intercepts on the axes are a and b, then-

Find perpendicular distance from the origin to the line joining the points ( cos theta, sin theta) " and " ( cos phi , sin phi) .

Find the coordinates of the foot of the perpendicular drawn from the point P(1,-2) on the line y = 2x +1. Also, find the image of P in the line.