Fix determinant description to match the example

math_linear_algebra.ipynb

@@ -3865,7 +3865,7 @@
     "## Determinant\n",
     "The determinant of a square matrix $M$, noted $\\det(M)$ or $\\det M$ or $|M|$ is a value that can be calculated from its elements $(M_{i,j})$ using various equivalent methods. One of the simplest methods is this recursive approach:\n",
     "\n",
-    "$|M| = M_{1,1}\\times|M^{(1,1)}| - M_{2,1}\\times|M^{(2,1)}| + M_{3,1}\\times|M^{(3,1)}| - M_{4,1}\\times|M^{(4,1)}| + \\cdots ± M_{n,1}\\times|M^{(n,1)}|$\n",
+    "$|M| = M_{1,1}\\times|M^{(1,1)}| - M_{1,2}\\times|M^{(1,2)}| + M_{1,3}\\times|M^{(1,3)}| - M_{1,4}\\times|M^{(1,4)}| + \\cdots ± M_{1,n}\\times|M^{(1,n)}|$\n",
     "\n",
     "* Where $M^{(i,j)}$ is the matrix $M$ without row $i$ and column $j$.\n",
     "\n",