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A line with directional cosines prontion...

A line with directional cosines prontional to `2, 1,2` meets each of the lines `x = y + a = z and x+ a = 2y = 2z`. The coordinates of each of the points deintersection are given by

A

`(2a, 3a, 3a), (2a, a, a)`

B

`(3a, 2a, 3a), (a, a, a)`

C

`(3a, 2a, 3a), (a, a, 2a)`

D

`(3a, 3a, 3a), (a, a, a)`

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The correct Answer is:
B
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AAKASH INSTITUTE-THREE DIMENSIONAL GEOMETRY -ASSIGNMENT SECTION - B
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