If ASB is a focal chord of a parabola such that AS = 2 and SB = 4 , then length of its latus-rectum is

If AFB is a focal chord of the parabola y^(2) = 4ax such that AF = 4 and FB = 5 then the latus-rectum of the parabola is equal to

If AFB is a focal chord of the parabola y^(2) = 4ax such that AF = 4 and FB = 5 then the latus-rectum of the parabola is equal to

If AFB is a focal chord of the parabola y^(2) = 4ax such that AF = 4 and FB = 5 then the latus-rectum of the parabola is equal to (a) 80 (b) 9/80 (c) 9 (d) 80/9

If AFB is a focal chord of the parabola y^(2) = 4ax such that AF = 4 and FB = 5 then the latus-rectum of the parabola is equal to (a) 80 (b) 9/80 (c) 9 (d) 80/9

If PSQ is a focal chord of the parabola y^(2) = 4ax such that SP = 3 and SQ = 2 , find the latus rectum of the parabola .

If ASC is a focal chord of the parabola y^(2)=4ax and AS=5,SC=9 , then length of latus rectum of the parabola equals

If the focus of a parabola divides a focal chord of the parabola in segment of length 3 and 2 the length of the latus rectum of the parbola is

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