For the parabola `y^2=20x` write down the co-ordinates of the focus,length of the latus rectum.

At what point of the parabola y^2 = 18x , does the ordinate increase at twice the rate of the abscissa?

Write down the domain of the functiion cos^-1 function

Write down the value of Delta log x.

Write the coordinates of the vertex and the focus, the equations of the directrix and the axis, and the length of the latus rectum of the parabola: (i) y ^2 = 16x

Write down the value of cos 15^@ .

Find the equation of the parabola whose vertex is at the origin, axis is along the X-axis and the length of the latus rectum is 4 units.

Write down the value of det (2I_(3)) .

Write down the coordinates of the foot of the perpendicular from (alpha, beta ,x) on Y-axis

Find the eccentricity,coordinates of foci,length of the major axis and latus-rectum of the ellipse x^2/25+y^2/16=1 .

Fill up the blanks ..............is given by the x-co-ordinate of the point of intersection is more then ogive and less then ogive.