" (b) "2x^(2)-18y^(2)

The least value of 2x^(2)-4x+3y^(2)-18y+31 is

Identify the type of the conic 3x^(2)-8y^(2)-15x-18y-29=0

Find the coordinates of the focus and the vertex, the equations of the directrix and the axis, and length of the latus rectum of the parabola: (i)x^(2)=-8y (ii) x^(2)=-18y (iii) 3x^(2)=-16y

If x=9 is the chord of contact of the hyperbola x^(2)-y^(2)=9 then the equation of the corresponding pair of tangents is (A)9x^(2)-8y^(2)+18x-9=0(B)9x^(2)-8y^(2)-18x+9=0(C)9x^(2)-8y^(2)-18x-9=0(D)9x^(^^)2-8y^(^^)2+18x+9=0'

Consider the circles S_(1):x^(2)+y^(2)-4x-6y-12=0 and S_(2):x^(2)+y^(2)+6x+18y+26=0 then which of the following is (are) correct?

Resolve into factors : 2x^2 - 18y^2

Combined equations of the tangents on the circle x^(2)+y^(2)+4x+6y+3=0 which pass through the point (3,2) is 3x^(2)+3y^(2)-10xy+ax+18y+b=0 find value of b/a

Find the sum of co-ordinates of the centre of the smallest circle touching the circles x^(2)+y^(2)-2y-3=0 and x^(2)+y^(2)-6x-18y+93=0

The centre of the smallest circle touching the circles x^(2)+y^(2)-2y-3=0 and x^(2)+y^(2)-8x-18y+93=0 is:

The centre of the smallest circle touching the circles x^(2)+y^(2)-2y-3=0 and x^(2)+y^(2)-8x-18y+93=0