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নিচের কোনটি অধিবৃত্তের সমীকরণ?

3 x^{2} + 3 y^{2} - 6 x + 9 y - 14 = 0

6 x^{2} + 12 x - y + 15 = 0

x^{2} + 2 y^{2} + 4 x + 2 y - 27 = 0

x^{2} - y^{2} + 3 x - 2 y - 43 = 0

ANS : 4

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