math: Fix cross product equation

2021-05-28 15:46:11 -04:00 · 2021-05-28 15:46:11 -04:00 · f77d8f6834
commit f77d8f6834
parent d1535d4acb
1 changed files with 2 additions and 2 deletions
--- a/docs/mcv4u7.md
+++ b/docs/mcv4u7.md
@ -488,11 +488,11 @@ $$
 \vec{v}_1 & \vec{v}_2 & \vec{v}_3
 \end{vmatrix} \\
 \\
-&=\hat{j}\begin{vmatrix}
+&=-\hat{j}\begin{vmatrix}
 \vec{u}_1 & \vec{u}_3 \\
 \vec{v}_1 & \vec{v}_3
 \end{vmatrix}
-\hat{i}\begin{vmatrix}
+\hat{i}\begin{vmatrix}
 \vec{u}_2 & \vec{u}_3 \\
 \vec{v}_2 & \vec{v}_3
 \end{vmatrix}