The direction ratios of the line x=py+q, z=ry+s are

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r,p,1

q,1,r

p,1,r

1,p,r

answer is C.

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Detailed Solution

Given line isx=py+q, z=ry+sThe symmetric form of the line isx−qp=y1=z−srTherefore, one set of direction ratios of above line are p,1,r

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