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Câu hỏi: Cho $\overrightarrow{a}=\left( 1,2,-1 \right)$, $\overrightarrow{b}=\left( -2,-1,3 \right)$. Tính $\overrightarrow{a}\wedge \overrightarrow{b}$
A. $\overrightarrow{a}\wedge \overrightarrow{b}=\left( -5,1,-3 \right)$.
B. $\overrightarrow{a}\wedge \overrightarrow{b}=\left( 5,1,3 \right)$.
C. $\overrightarrow{a}\wedge \overrightarrow{b}=\left( -5,-1,-3 \right)$.
D. $\overrightarrow{a}\wedge \overrightarrow{b}=\left( 5,-1,3 \right)$.
A. $\overrightarrow{a}\wedge \overrightarrow{b}=\left( -5,1,-3 \right)$.
B. $\overrightarrow{a}\wedge \overrightarrow{b}=\left( 5,1,3 \right)$.
C. $\overrightarrow{a}\wedge \overrightarrow{b}=\left( -5,-1,-3 \right)$.
D. $\overrightarrow{a}\wedge \overrightarrow{b}=\left( 5,-1,3 \right)$.
$\overrightarrow{a}=\left( 1,2,-1 \right)$, $\overrightarrow{b}=\left( -2,-1,3 \right)$.
$\overrightarrow{a}\wedge \overrightarrow{b}=\left( 5,-1,3 \right)$.
$\overrightarrow{a}\wedge \overrightarrow{b}=\left( 5,-1,3 \right)$.
Đáp án D.