Question

Write a java program to print the sum of the following series based on

user's choice:

S 1/12 + 1/2^2 + 1/3^2.. 1/n^2

S 1/1 1/2 + 1/3 1/4...1/n
pls answer fast​

Answer 1

Answer:

The required Java program to print the sum of series S = 1/1² + 1/2² + 1/3² + ... + 1/n² is :-

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

    System.out.println("Enter the value of n : ");

    Scanner scan = new Scanner(System.in);

    int n = scan.nextInt();

    scan.close();

    double sum = 0.0;

    for(int i=1 ; i<=n ; i++) {

        sum += (1/Math.pow(i,2));

    }

    System.out.println("The sum of series upto "+n+" terms is "+sum);

}

}

The required Java program to print the sum of series S = 1/1 + 1/2 + 1/3 + ... + 1/n is :-

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

    System.out.println("Enter the value of n : ");

    Scanner scan = new Scanner(System.in);

    int n = scan.nextInt();

    scan.close();

    double sum = 0.0;

    for(int i=1 ; i<=n ; i++) {

        sum += (1.0/i);

    }

    System.out.println("The sum of series upto "+n+" terms is "+sum);

}

}