Question: For the equation 2xy - 9x2 + (2y + a2 + 1) = 0., there exists a solution, F(x,y)=c such that o OF = 2xy

For the equation 2xy - 9x2 + (2y + a2 + 1) = 0., there exists a solution, F(x,y)=c such that o OF = 2xy - 9x2 ax o OF = 2xy - 9x2 ay ay =y+2x o OF ax = 2y+x2+1

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