`y^2-2x-2y+5=0` represents

The equation x^(2)+y^(2)-2x-4y-5=0 represents a

The circle x^2+y^2-2x-2y+k=0 represents a point circle when k.=

The equation x^2+y^2+2x-4y+5=0 represents a. a point b. a pair of straight lines c. a circle of non zero radius d. none of these

The equation x^(2)+y^(2)+2x-4y+5=0 represents a.a point b.a pair of straight lines c.a circle of non zero radius d.none of these

If ax^(2)+bxy+3y^(2)-5x+2y-3=0 represents a circle then a,bare

If the equation lambda x^(2)-5 x y+6 y^(2)+x-3 y=0 represents a pair of lines, then their point of intersection is

Show that the equation x^2-2y^2-2x+8y-1=0 represents a hyperbola.

The equation x^(2)y^(2)-9y^(2)-6x^(2)y+54y=0 represents

The equation x^(2)y^(2)-9y^(2)-6x^(2)y+54y=0 represents