Normals at two points `(x_(1) ,y_(1)) and (x_(2), y_(2))` of the parabola `y^(2)=4x` meet again on the parabola where `x_(1)+x_(2)=4` .Then `sqrt(2)|y_(1)+y_(2)|`=

If the normals at two points (x_(1),y_(1)) and (x_(2),y_(2)) of the parabola y^(2)=4x meets again on the parabola, where x_(1)+x_(2)=8 then |y_(1)-y_(2)| is equal to

Normals at two points (x_(1)y_(1)) and (x_(2),y_(2)) of the parabola y^(2)=4x meet again on the parabola,where x_(1)+x_(2)=4. Then |y_(1)+y_(2)| is equal to sqrt(2)(b)2sqrt(2)(c)4sqrt(2) (d) none of these

If the normals at the points (x_(1),y_(1)),(x_(2),y_(2)) on the parabola y^(2)=4ax intersect on the parabola then

Normals at two points (x_1,x_2) and (x_2,y_2) of the parabola y^2=4x meet again on the parabola, where x_1+x_2=4 , then |y_1+y_2| is equal to

If normals at points (a,y_(1)) and (4-a, y_(2)) to the parabola y^(2)=4x meet again on the parabola , then |y_(1)+y_(2)| is equal to (sqrt2=1.41)

Prove that the normals at the points (1,2) and (4,4) of the parabola y^(2)=4x intersect on the parabola

If (x_(1) , y_(1)) " and " (x_(2), y_(2)) are the ends of a focal chord of the parabola y^(2) = 4ax , evaluate : x_(1) x_(2) + y_(1) y_(2) .

If (x_(1) , y_(1)) " and " (x_(2), y_(2)) are ends of a focal chord of parabola 3y^(2) = 4x , " then " x_(1) x_(2) + y_(1) y_(2) =

What is the focal distance of any point P(x_(1), y_(1)) on the parabola y^(2)=4ax ?

If A (x_(1) , y_(1)) " and B" (x_(2), y_(2)) are point on y^(2) = 4ax , then slope of AB is