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

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

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