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$y (1 + c o s θ) = 2$ এর কার্তেসীয় সমীকরণ-

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

y^{2} - 4 x = 4

x^{2} + 4 x = 2

y^{2} + 4 x = 4

ANSWER : 4

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