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The direction cosines of the normal to t...

The direction cosines of the normal to the plane
`x + 2y - 3z + 4 = 0` are

A

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

B

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

C

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

D

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

Text Solution

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