[" Show "(" that ")/(3x^(2)+3y^(2)+12x+18y-11=0)" opresent the "],[(3x^(2)+3y^(2)+12x+18y-11=0)/(" arcle ")]

Show that the equation: 3x^2+3y^2+12x+18y-11=0 represents a circle.

The centre of the ellipse 4x^(2) + 9y^(2) + 16x - 18y - 11 = 0 is

The centre of the ellipse 4x^(2) + 9y^(2) + 16x - 18y - 11 = 0 is

Show that the equation 3x^(2)+3y^(2)+12x-18y-11=0 represent a circle.Also find its centre and radius.

Solve the following equations for (x - 3)^(2) and (y + 2)^(2) : 2x^(2) + y^(2) - 12x + 4y + 16 = 0 and 3x^(2) - 2y^(2) - 18x - 8y + 3 = 0 .

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

I. x^(2) - 4x+3=0 II. y^(2) - 11y + 18 = 0