If is a vector such that

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

If x\mathbf{x} is a vector such that [pqr]x=(p×q)×r[\mathbf{p} \mathbf{q} \mathbf{r}] \mathbf{x} = (\mathbf{p} \times \mathbf{q}) \times \mathbf{r} , then x\mathbf{x} is (1) c(i^−2j^+k^)c(\hat{i} - 2\hat{j} + \hat{k}) (2) a unit vector (3) indeterminate, as [pqr][\mathbf{p} \mathbf{q} \mathbf{r}] (4) −(i^−2j^+k^)/2-(\hat{i} - 2\hat{j} + \hat{k})/2

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