Page 245 - CA_Blue( J )_Class10
P. 245

6          double s=0.0, i, k=1;
                   7          for(i=1;i<=n;i++)

                   8          { s=s+k/(k+1);
                   9              k=k+2;
                  10          }

                  11          return s;
                  12      }

                  13      double series(double n, double x )
                  14      {

                  15          double i,s=0.0;
                  16          for(i=1;i<=n;i=i+2)

                  17          { s=s+x/i; }
                  18          return s;
                  19      }

                  20      public static void main()
                  21      {

                  22          int ch;
                  23          Scanner sc= new Scanner(System.in);
                  24          System.out.println("1. Series 1");

                  25          System.out.println("2. Series 2");
                  26          System.out.println("Enter your choice : ");

                  27          ch=sc.nextInt();
                  28          switch(ch)

                  29          {
                  30              case 1:

                  31              System.out.println(series (6));
                  32              break;
                  33              case 2:

                  34              System.out.println(series (4,10));
                  35              break;

                  36              default:
                  37              System.out.println("Wrong Choice");
                  38          }

                  39      }
                  40  }




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                                                                                                 User-defined Methods   243
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