Question

4. Write a program to find the sum of series, taking the value of 'a' and 'n' from the user
a + 1
a + 3
at 5 at 7
+
+... up to n terms​

Answer 1

Answer:

import java.util.Scanner;

public class series

{

public static void main(String args[])

{

Scanner in=new Scanner(System.in);

int a = in.nextInt();

int n = in.nextInt();

int sum = 0;

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

{

sum += (a + ++i);

}

System.out.print(sum);

}

}