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If $\mathbf{C}=\mathbf{A} \times \mathbf{B},$ where $\mathbf{A}=\mathbf{2} \mathbf{i}-\mathbf{j}+3 \mathbf{k}$ and $\mathbf{B}=\mathbf{i}+\mathbf{2} \mathbf{j}$then $\mathbf{C}$ is
(A) $-6 \mathbf{i}+3 \mathbf{j}+5 \mathbf{k}$
(B) $6 \mathbf{i}+3 \mathbf{j}-5 \mathbf{k}$
$(\mathrm{C})-6 \mathbf{i}+2 \mathbf{j}+3 \mathbf{k}$
(D) $6 \mathbf{i}+2 \mathbf{j}+5 \mathbf{k}$



Question ID - 157268 | SaraNextGen Top Answer

If $\mathbf{C}=\mathbf{A} \times \mathbf{B},$ where $\mathbf{A}=\mathbf{2} \mathbf{i}-\mathbf{j}+3 \mathbf{k}$ and $\mathbf{B}=\mathbf{i}+\mathbf{2} \mathbf{j}$then $\mathbf{C}$ is
(A) $-6 \mathbf{i}+3 \mathbf{j}+5 \mathbf{k}$
(B) $6 \mathbf{i}+3 \mathbf{j}-5 \mathbf{k}$
$(\mathrm{C})-6 \mathbf{i}+2 \mathbf{j}+3 \mathbf{k}$
(D) $6 \mathbf{i}+2 \mathbf{j}+5 \mathbf{k}$

1 Answer
127 votes
Answer Key / Explanation : (A) -

(A) $-6 \mathbf{i}+3 \mathbf{j}+5 \mathbf{k}$

127 votes


127