The angle between two lines (x)/(2)=(y)/...

The angle between two lines `(x)/(2)=(y)/(2)=(z)/(-1)and(x-1)/(1)=(y-1)/(2)=(z-1)/(2)` is

A

(a) `cos^(-1)((4)/(9))`

B

(b) `cos^(-1)((1)/(3))`

C

(c) `cos^(-1)((2)/(9))`

D

(d) `cos^(-1)((5)/(9))`

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The correct Answer is:

A

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