The length of the latus rectum of the parabola whose focus is `((u^2)/(2g)sin2alpha,-(u^2)/(2g)cos2alpha)` and directrix is `y=(u^2)/(2g)` is `(u^2)/gcos^2alpha` (b) `(u^2)/gcos^2 2alpha` `(2u^2)/gcos^2 2alpha` (d) `(2u^2)/gcos^2alpha`

The length of the latus rectum of the parabola whose focus is a. ((u^2)/(2g)sin2alpha,-(u^2)/(2g)cos2alpha) and directrix is y=(u^2)/(2g) is

The length of the latusrectum of the parabola whose focus is (mu^(2)/(2g)sin2alpha,-(mu^(2))/(2g)cos2alpha)

The length of the latus rectum of the parabola whose focus is ((u^2)/(2g)sin2alpha,-(u^2)/(2g)cos2alpha) and directrix is y=(u^2)/(2g) is (a) (u^2)/gcos^2alpha (b) (u^2)/gcos^2 2alpha (c) (2u^2)/gcos^2 2alpha (d) (2u^2)/gcos^2alpha

The length of the latus rectum of the parabola whose focus is a. ((u^2)/(2g)sin2alpha,-(u^2)/(2g)cos2alpha) and directrix is y=(u^2)/(2g) is (a) (u^2)/gcos^2alpha (b) (u^2)/gcos^2 2alpha (2u^2)/gcos^2 2alpha (d) (2u^2)/gcos^2alpha

The length of the latus rectum of the parabola whose focus is ((u^2)/(2g)sin2alpha,-(u^2)/(2g)cos2alpha) and directrix is y=(u^2)/(2g) is (a) (u^2)/gcos^2alpha (b) (u^2)/gcos^2 2alpha (c) (2u^2)/gcos^2 2alpha (d) (2u^2)/gcos^2alpha

The length of latus rectum of the parabola whose focus is ((u^(2))/(2g) Sin 2 alpha, - (u^(2))/(2g) Cos 2 alpha) and directrix is y= (u^(2))/(2g) is

The length of the latus rectum of the parabola whose focus is ((u^(2))/(2)g sin2 alpha,-(u^(2))/(2)g cos2 alpha) and directrixis y=u^(^^)2/2g^(*), is

The length of the latus rectum of the parabola whose focus is ((u^(2))/(2g)sin2 alpha,-(u^(2))/(2g)cos2 alpha) and directrix is y=(u^(2))/(2g) is (u^(2))/(g)cos^(2)alpha(b)(u^(2))/(g)cos^(2)2 alpha(2u^(2))/(g)cos^(2)2 alpha(d)(2u^(2))/(g)cos^(2)alpha

The length of latus rectum of the parabola whose focus is ((u^(2))/(2g) Sin 2 alpha, (u^(2))/(2g)) and directrix is y= (u^(2))/(2g) is

If the latus rectum of the ellipse x^(2)tan^(2)alpha+y^(2)sec^(2)alpha=1 is 1/2 then alpha=