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The direction cosines of the line x-y+2z...

The direction cosines of the line `x-y+2z=5, 3x+y+z=6` are

A

`3/(5sqrt(2)), -5/(5sqrt(2)), 4/(5sqrt(2))`

B

`-3/(5sqrt(2)), 5/(5sqrt(2)), 4/(5sqrt(2))`

C

`3/(5sqrt(2)), 5/(5sqrt(2)), -4/(5sqrt(2))`

D

`3/5, 1, -4/5`

Text Solution

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The correct Answer is:
B
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MARVEL PUBLICATION-PLANE IN SPACE -PART B: MASTERING THE BEST ON LINE AND PLANE IN SPACE
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