Update sympy.ipynb

Tom-van-Woudenberg · Tom-van-Woudenberg · commit 41e837289778 · 2024-10-21T10:42:49.000+02:00
diff --git a/book/08/sympy.ipynb b/book/08/sympy.ipynb
@@ -1139,7 +1139,7 @@
    "source": [
     ":::{card} Test yourself!\n",
     "\n",
-    "Create a symbolic expression representing [Newton's Law of Universal Gravitation](https://en.wikipedia.org/wiki/Newton's_law_of_universal_gravitation). Use `sym.lambdify()` to evaluate the expression for two mass of 5.972E24 kg and 80 kg at a distance of 6371 km apart to find the gravitational force in Newtons. $G$ equals $6.67430\\cdot 10 ^{11}$\n",
+    "Create a symbolic expression representing [Newton's Law of Universal Gravitation](https://en.wikipedia.org/wiki/Newton's_law_of_universal_gravitation). Use `sym.lambdify()` to evaluate the expression for two mass of 5.972E24 kg and 80 kg at a distance of 6371 km apart to find the gravitational force in Newtons. $G$ equals $6.67430\\cdot 10 ^{-11}$\n",
     "\n",
     "All variables have been defined with:\n",
     "```python\n",
