Find the eccentricities and foci of the following ellipse:`3x^2+4y^2=48`.

Find the eccentricities and foci of the following ellipse: x^2+2y^2=2 .

Find the eccentricities and foci of the following ellipse: 9x^2+25y^2=225 .

What is the eccentricity of the following ellipse? 2x^2+5y^2=20 .

Find the coordinates of vertices,the foci,the eccentricity and the equations of the directrix of the following hyperbola. 16x^2-9y^2=576 .

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

Find the coordinates of vertices,the foci,the eccentricity and the equations of the directrix of the following hyperbola. x^2/16-y^2/9=1 .

Find the product of the following. (x+2) (x+3) (x+4)

Find the equation of the directrices of the ellipse x^2/25+y^2/9=1 .

Find the equation of the tangents to the ellipse 3x ^2 + 4y ^2 = 12 which are perpendicular to the line 2x +y - 4 = 0.

Find the eccentricity of the hyperbola (ii) x ^2 /16 - y ^2 /9 = 1