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package MathPrograms;

import java.util.Scanner;

public class SeriesSum {

public static int sum(int n) {

return ((n*(n+1))/2);

}

public static int sumSquare(int n) {

return ((n*(n+1)*(2*n+1))/6);

}

public static int sumCubes(int n) {

return ((n*n*(n+1)*(n+1))/4);

}

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.println("Enter two numbers: ");

int a=sc.nextInt();

System.out.println("Sum of Series: "+sum(a));

System.out.println("Sum of Square of the Series: "+sumSquare(a));

System.out.println("Sum of Cubes of the Series: "+sumCubes(a));

sc.close();

}

}