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If the normal to the ellipse 3x 2 + 4y 2 = 12 at a point P on it is parallel to the line, 2x + y = 4 and the tangent to the ellipse at P passes through Q(4,4) then PQ is equal to :

1. 2 61
2. 2 221
3. 2 157
4. 2 5 5

Correct answer: 2 5 5

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