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Lines vecr=(3+t)hati+(1-t)hatj+(-2-2t)ha...

Lines `vecr=(3+t)hati+(1-t)hatj+(-2-2t)hatk,tinR` and `x=3+k,y=1-k,z=-2-2k,kinR`, then the relation between the lines is ________.

A

perpendicular

B

coincident

C

skew

D

parallel

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The correct Answer is:
B
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