9fy=3-58" then "[y-(1)/(y))^(2)=

(9y+1/(4y))^3

If y^(3)-y=2x, then (x^(2)-(1)/(27))(d^(2)y)/(dx^(2))+x(dy)/(d)=y b.(y)/(3) c.(y)/(9) d.(y)/(27)

If r is the radius of the circle x^(2)+y^(2)+2gx+2fy+c=0," then: "(y+f)^(3)(d^(2)y)/(dx^(2))=

(y-3)^(2)=y^(2)-9

If 2x^(2)+3y+5y^(2)+x+9=0," then "((dy)/(dx))at(-1,-1) is

If y=3^((1)/(3))+3, then y^(3)-9y^(2)+27y=

The length of the tangent from to the circle x^(2)+y^(2)+2gx+2fy+c=0 to the circle x^(2)+y^(2)+2gx+2fy+c’=0 is