Let O(0, 0) and A(0, 1) be two fixed points. Then the locus of a point P such that the perimeter of $\Delta $AOP is 4, is :

Question

9x² + 8y² – 8y = 16

8x² – 9y² + 9y = 18

8x² + 9y² – 9y = 18

9x² – 8y² + 8y = 16

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