Question

Write the programs in Java to find the sum of the following series: (b) S = a - a3 + a5 - a7 + ....... to n ​

Answer 1

Answer:

Hi friend.... here is ur answer

import java.util.*;

class Series

{

   public static void main(String ar[])

   {

       Scanner sc=new Scanner (Syatem.in);

       int i,n,d=1,s=0;

       System.out.println("Enter a limit");

       n=sc.nextInt();

       System.out.println("Enter value of a");

       a=sc.nextInt();

       for (i=1;i<n;i++)

       {

           if (i%2==0)

            s - = Math.pow(a,d);

           else

           s + = Math.pow(a,d);

           d+=2;

       }

       System.out.println("Sum="+s);

   }

}

If it helps u plz mark my answer brainliest

Explanation:

Answer 2

Answer:

the above answer is absolutely correct so check out that and u may thank me for such an advice