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A plane P contains the line of intersection of the plane ) k ˆ j ˆ i ˆ ( . r    = 6 and . 5 – ) k ˆ 4 j ˆ 3 i ˆ 2 ( . r     If P passes through the point (0, 2, – 2), then the square of distance of the point (12, 12, 18) from the plane P is

1. 620
2. 155
3. 310
4. 1240

Correct answer: 620

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