The length of a focal chord of the parabola y2 = 4ax at a distance b from the vertex is c, then (A) b"c = 4a3 (C) 4bc = a2 15, (B) bc2 = 4a3 (D) ab = 4c3

The length of a focal chord of the parabola y^(2) = 4ax at a distance b from the vertex is c. Then

If the length of a focal chord of the parabola y^2=4a x at a distance b from the vertex is c , then prove that b^2c=4a^3 .

If the length of a focal chord of the parabola y^2=4a x at a distance b from the vertex is c , then prove that b^2c=4a^3 .

If the length of a focal chord of the parabola y^2=4a x at a distance b from the vertex is c , then prove that b^2c=4a^3dot

If the length of a focal chord of the parabola y^(2)=4ax at a distance b from the vertex is c then prove that b^(2)c=4a^(3).

The length of a focin chord of the parabola y2=4ax making an angle with the axis of the parabola is (A)4a cos ec^(2)theta(C)a cos ec2(B)4a sec2 theta(D) none of these

If b and c are the length of the segments of any focal chord of a parabola y^(2)=4ax then the length of the semi latus rectum is