Question

write a Java program to print following series ​

Answer 1

Answer:

Yes,I got it

Explanation:

import java.util.Scanner;

public class loveuNitish

{

public static void main(String args[]) {

Scanner in = new Scanner(System.in);

int sum = 0;

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

int n = in.nextInt();

for (int i = 1; i <= n; i++) {

int term = (int)Math.pow(2, i);

if (i % 2 == 0)

sum -= term;

else

sum += term;

}

System.out.println("Sum=" + sum);

}

}