Find the cross product $\mathbf { a } \times \mathbf { b }$.
$$\mathbf { a } = \langle 7,5,1 \} , \mathbf { b } = \{ - 5,2 , - 2 \}$$
A) $( - 8 , - 12 , - 19 )$
B) $\{ - 12,39,9 \}$
C) $( - 12,9,39 )$
D) $( 39 , - 12,9 )$
E) $\{ - 7 , - 23,25 \}$

Question

Quizplus · Accepted Answer

The cross product $\mathbf{a} \times \mathbf{b}$ is calculated using the determinant of a matrix formed by the unit vectors and the components of $\mathbf{a}$ and $\mathbf{b}$. The result is $(-12, 9, 39)$.

Find the Cross Product a×b\mathbf { a } \times \mathbf { b }a×b

Find the Cross Product $\mathbf { a } \times \mathbf { b }$