9x^(2)-4y^(2)

The auxilary circle of the ellipse 9 x^(2)+4 y^(2)=1 is

Length of the axes of the conic 9 x^(2)+4 y^(2)-6 x+4y+1=0 are

Equation of latus recta of the ellipse 9 x^(2)+4 y^(2)-18 x-8 y-23=0 are

The equation(s) of the tangent(s) to the ellipse 9(x-1)^(2)+4y^(2)=36 parallel to the latus rectum,is (are)

Find the products: (3x+2y)(9x^(2)-6xy+4y^(2))

Let P and Q be any two points on the lines represented by 2x-3y = 0 and 2x + 3y = 0 respectively. If the area of triangle OPQ (where O is origin) is 5, then which of the following is not the possible equation of the locus of mid-point of PO? (a) 4x^2-9y^2 +30 = 0 (b) 4x^2-9y^2-30 = 0 (c) 9x^2-4y^2-30=0 (d) none of these

Find the coordinates of the foci, the vertices, the lengths of major and minor axes and the eccentricity of the ellipse 9 x^2+4 y^2=36 .

The straight lines represented by the equation 9x^(2)-12xy+4y^(2)=0 are

The straight lines represented by the equation 9x^(2)-12xy+4y^(2)=0 are