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

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

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

The straight line y=mx+1 is a tangent to the parabola y^2=4x , the find the value of m.

The line y = mx +1 , is a tangent to the curve y^2 = 4x if the value of m is: