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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

` lt 1/sqrt14, (-2)/sqrt14, 3/sqrt14 gt `

B

`lt 1/sqrt14, 2/sqrt14, 3/sqrt14 gt `

C

`lt (-1)/sqrt14, 2/sqrt14, 3/sqrt14 gt`

D

`lt 1/sqrt14, 2/sqrt14, (-3)/sqrt14 gt `

Text Solution

Verified by Experts

The correct Answer is:
D
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