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The length of the perpendicular from the point (2, –1, 4) on the straight line, 1 z 7 2 y 10 3 x = − − = + is -

1. greater than 3 but less then 4
2. greater than 2 but less than 3
3. greater than 4
4. less than 2

Correct answer: greater than 3 but less then 4

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