Mean Value Theorem: Difference between revisions

Revision as of 18:37, 21 January 2009

@@ Line 35: / Line 35: @@
              };
      var graph = board.createElement('curve', ['x', f, 'x', -10, 10], {curveType:'graph'});
+    var g = function(x) {
+         return board.D(f)(x)-(p[1].Y()-p[0].Y())/(p[1].X()-p[0].X());
+        }
      var r = board.createElement('point', [
-                     function() { return board.root(board.D(f)-(p[1].Y()-p[0].Y())/(p[1].X()-p[0].X()),(p[0].X()+p[1].X())*0.5); },
+                     function() { return board.root(g,(p[0].X()+p[1].X())*0.5); },
-                     function() { return f(board.root(board.D(f)-(p[1].Y()-p[0].Y())/(p[1].X()-p[0].X()),(p[0].X()+p[1].X())*0.5)); }],
+                     function() { return f(board.root(g,(p[0].X()+p[1].X())*0.5)); }],
           {name:' ',style:6});
     var r2 = board.createElement('point', [function(){ return r.X()+0.01;},