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Question

The line x23=y34=z45 is parallel to the plane
[BIT Ranchi 1991; Pb. CET 1991]


A


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B


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C


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D


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Solution

The correct option is B



Trick : Since line is parallel to plane if al + bm + cn = 0
From option (b), 3(2) + 4(1) + 5(-2) =0.
Clearly, 2x + y - 2z = 0 is the required plane.

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