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Answer:

import java.util.Scanner;

public class series {

public static void main(String args[])

{

 double a,n;

 double s=0;

 Scanner obj=new Scanner(System.in);

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

 a=obj.nextDouble();

 System.out.println("Enter the number of terms:-");

 n=obj.nextDouble();

 for(int i = 1; i <= n ; i++)

 {

  s += Math.pow((double)(a /(i + 1)), 2.0);

 }

 System.out.println("Sum of the series:- " + s);

}

}