[" The equation "],[x^(2)+y^(2)-6x+8y+25=0" represents "]

Equation x^(2) + y^(2) - 8x + 6y + 25 = 0 represents

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

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

The value of k ,such that the equation, 2x^(2)+2y^(2)-6x+8y+k=0 represents a point circle,is

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

The equation 6x^(2)-xy-12y^(2)-8x+29y-14=0 represents a pair of lines, then the angle between them is ..............?