If the angles made by the normal of the ...

If the angles made by the normal of the plane `2x + 3y - 4z - 16=0` with the coordinates axes X, Y, Z are `Cos ^(-1) k _(1), Cos ^(-1) k _(2), Cos^(-1) k _(3), ` then `k _(1), k _(2), k _(3)` respectively are

A

`(2) /(sqrt29) , (3)/(sqrt29) , (4)/(sqrt29)`

B

`(2)/(sqrt29), - (3)/(sqrt29) , (4)/(sqrt29)`

C

`(2)/(sqrt29) , (3)/(sqrt29), - (4)/(sqrt29)`

D

`1/2, 1/3, -1/4`

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The correct Answer is:

C

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