The direction ratios of the line x-y+z-5...

The direction ratios of the line x-y+z-5=0=x-3y-6` are

A

`3, 1, -2`

B

`2, -4, 1`

C

`(3)/(sqrt(14)), (1)/(sqrt(14)), (-2)/(sqrt(14))`

D

`(2)/(sqrt(21)), (-4)/(sqrt(21)), (1)/(sqrt(21))`

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The correct Answer is:

(a, c)

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