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If the line, 2 1 – x = 3 1 y + = 4 2 – z meets the plane, x + 2y + 3z = 15 at a point P, then the distance of P from the origin is :

1. 2 / 5
2. 7/2
3. 5 2
4. 9/2

Correct answer: 9/2

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