vault backup: 2022-06-07 16:39:51

notes/.obsidian/plugins/obsidian-activity-history/data.json

@@ -13,7 +13,7 @@
     {
       "path": "/",
       "date": "2022-06-07",
-      "size": 842149
+      "size": 842286
     }
   ],
   "activityHistory": [
@@ -702,7 +702,7 @@
         },
         {
           "date": "2022-06-07",
-          "value": 713
+          "value": 850
         }
       ]
     }

notes/mat/Příklady.md

@@ -107,4 +107,20 @@ for i in (seq 10 99);
 end
 ```
 
-25
+25
+
+
+---
+
+$(x+3)^2=9-x^2$
+$x^2+2x3+9=9-x^2$
+$x^2+6x=-x^2$
+$2x^2+6x+0=0$
+
+$D=b^2-4ac$
+$D=6^2-0$
+$\sqrt{D}=6$
+
+$x=\frac{b\pm\sqrt{D}}{2a}$
+$x_1=\frac{6+6}{2*2}$
+$x_1=3$