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|x - 1 + i y| + |x + 1 + i y| = 4

x^{2} + y^{2} = 7

y^{2} = 4 x

y^{2} = x^{2} + 1

\frac{x^{2}}{4} + \frac{y^{2}}{3} = 1

None

ANS : 4

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