" 6."quad y=x^(y)

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 circles x^(2)+y^(2)+6x+6y=0 and x^(2)+y^(2)-12x-12y=0

Which of the following is/are true ? The circles x^(2)+y^(2)-6x+6y+9=0 and x^(2)+y^(2)+6x+6y+9=0 are such that :

Which of the following is/are true ? The circles x^(2)+y^(2)-6x+6y+9=0 and x^(2)+y^(2)+6x+6y+9=0 are such that :

If x-y=6 and x^(2)+y^(2)=30 then xy will be

Factorise : (a) x^(6)+y^(6) " " (b) x^(6)-y^(6)

Factorise : (a) x^(6)+y^(6) " " (b) x^(6)-y^(6)