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The dc’s of the line passing through P (2,3,1) and the origin are

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a
214,314,114
b
214,−314,114
c
−214,−314,114
d
214`,−314,−114

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detailed solution

Correct option is C

D.r’s of OP = (2,3,-1)D.c’s of OP = 214,314,−114

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