PQ is any focal chord of the parabola `y^(2)=8`x. Then the length of PQ can never be less than _________ .

PQ is any focal of the parabola y^(2)=32x . The length of PQ cam never be less then

Number of focal chords of the parabola y^(2)=9x whose length is less than 9 is

Number of focal chords of the parabola y^(2)=9x whose length is less than 9 is

Number of focal chords of the parabola y^(2)=9x whose length is less than 9 is

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

Let PQ be a focal chord of the parabola y^(2)=4x . If the centre of a circle having PQ as its diameter lies on the line sqrt5y+4=0 , then length of the chord PQ , is

Let PQ be a focal chord of the parabola y^(2)=4x . If the centre of a circle having PQ as its diameter lies on the line sqrt5y+4=0 , then length of the chord PQ, is

If S is the focus and PQ is a focal chord of the parabola y^(2)=4ax then SP ,the semi latusrectum and SQ are in