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Three vectors are given as `P = 3hati - 4hatj ,Q = 6 hati - 8 hatj and R = (3/4) hati - hatj`, then which of the following is correct?
Options:
(a) `P, Q and R` are equal vectors (b) `P and Q` are parallel but R is not parallel
(c) `P, Q and R` are parallel (d) None of the above

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