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The direction angles of the line x=4z+3,...

The direction angles of the line `x=4z+3, y=2-3z` are `alpha, beta and gamma`, then `cos alpha +cos beta+ cos gamma`= ____

A

`(2)/(sqrt26)`

B

`(8)/(sqrt26)`

C

1

D

2

Text Solution

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The correct Answer is:
A
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