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 $\langle -12, 9, 39 \rangle$.

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

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