CircleHard
Question
Through the vertex ′O′ of the parabola y2 = 4ax, variable chords OP and OQ are drawn at right angles. If the variable chord PQ intersects the axis of x at R, then distance OR :
Options
A.varies with different positions of P and Q
B.equals the semi latus rectum of the parabola
C.equals latus rectum of the parabola
D.equals double the latus rectum of the parabola
More Circle Questions
The length of the tangent drawn from any point on the circle x2 + y2 + 2gx + 2fy + α = 0 to the circle x2 + y2 + 2g...The number of tangents that can be drawn from the point (8, 6) to the circle x2 + y2 _ 100 = 0 is...The circle x2 + y2 - 2 x - 3 k y - 2 = 0 passes through two fixed points, (k is the parameter)...Consider the family of all circles whose centers lie on the straight line y = x. If this family of circles is represente...The common chord of two intersecting circles C1 and C2 can be seen from their centres at the angles of 90o & 60o respect...