# Chapter 13 - Vector Geometry - 13.4 The Cross Product - Exercises - Page 676: 4

1

#### Work Step by Step

We find the determinant of the matrix: $\begin{vmatrix} 9 & 25 \\ 5 & 14 \end{vmatrix}$ $=9*14-25*5$ $=126-125$ $=1$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.