Three vectors are given as \( \mathbf{P}=3 \hat{\mathbf{i}}-4 \hat{\mathbf{j}}, \mathbf{Q}=6 \ha...

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Three vectors are given as \( \mathbf{P}=3 \hat{\mathbf{i}}-4 \hat{\mathbf{j}}, \mathbf{Q}=6 \hat{\mathbf{i}}-8 \hat{\mathbf{j}} \) and \( \mathbf{R}=(3 / 4) \hat{\mathbf{i}}-\hat{\mathbf{j}} \), then which of the following is correct?
(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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