Friday, December 23, 2011

Program for


import java.util.*;
public class Ch2Q39a
{public static void main(String[] args)
    {int n;
     double x, sum = 0;
     Scanner kbd = new Scanner(System.in);
     System.out.print("Enter x: ");
     x = kbd.nextDouble();
     System.out.print("Enter no of terms: ");
     n = kbd.nextInt();
     for(int i = 0; i <= n; i++)
      sum += Math.pow(x, i)/fact(i);
     System.out.println("Sum = "+ sum);
    }
 static long fact(int n)
    {long f = 1;
     for(int i = 1; i <= n; i++)
      f *= i;
     return f;
    }
}

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