If `P S Q` is a focal chord of the parabola `y^2=8x` such that `S P=6` , then the length of `S Q` is 6 (b) 4 (c) 3 (d) none of these

If PSQ is a focal chord of a parabola y^(2)=6x , where S is the focus.Then the minimum value of PS.QS is

If PQ is a focal chord of a parabola y^(2)=4x if P((1)/(9),(2)/(3)) , then slope of the normal at Q is

IF P_1P_2 and Q_1Q_2 two focal chords of a parabola y^2=4ax at right angles, then

If PQ is the focal chord of the parabola y^(2)=-x and P is (-4, 2) , then the ordinate of the point of intersection of the tangents at P and Q is

P(-3,2) is one end of focal chord PQ of the parabola y^(2)+4x+4y=0. Then the slope of the normal at Q is

If P(-3, 2) is one end of the focal chord PQ of the parabola y^(2) + 4x + 4y = 0 , then the slope of the normal at Q is

The number of focal chord(s) of length 4/7 in the parabola 7y^(2)=8x is

(A) p 2 (B) q 2 (D) q = 2p (C) p = 2q If t is the parameter for one end of a focal chord of the parabola y2 =4ax, then its length is (A) a t- 11. 2 aft. 2 (B) a t 1) C)alt+- (D) al t-