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Jun 23rd, 2017
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  1. <html>
  2. <head>
  3.     <script type="text/javascript">
  4.         function Op()
  5.         {
  6.             var x = parseFloat(document.f1.x.value);
  7.             var n = parseInt(document.f1.n.value);
  8.             var sum = 0;
  9.             for (var i = 1; i <= n; i++)
  10.             {
  11.                 sum += Math.pow(x, i)/i;
  12.             }
  13.             return sum;
  14.         }
  15.     </script>
  16. </head>
  17. <body>
  18.     <form name = "f1">
  19.         <label for="field1">Input x: </label>
  20.         <input type="text" name="x" onChange="f1.result.value=Op()" /><br />
  21.         <label for="field2">Input n: </label>
  22.         <input type="text" name="n" onChange="f1.result.value=Op()" /><br />
  23.         <label for="result">Result : </label>
  24.         <input type="text" name="result">
  25.     </form>
  26. </body>
  27. </html>
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