Answer

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Text Solution

`x^(2) + y^(2) + 2x - 4 = 0 , 15x^(2) + 15y^(2)+ 10x +20y - 48 = 0 ` `x^(2) + y^(2) - 4x - 8y + 12 = 0 , 5x^(2) + 5y^(2) + 4x + 8y - 36 = 0 ``x^(2) + y^(2) - 6x - 4y - 9 = 0 ,9x^(2) + 9x^(2) - 30x - 20y - 25 = 0 ``x^(2) + y^(2) - 6x - 4y + 9 = 0 , x^(2) + y^(2) - 10x + 50 y - 25 = 0 `

Answer :

A