Question

Write a program to find the sum of the series:

s= 1- a + a2

- a3+ ---------------+a10 in java

. write accurately I have to type​

Answer 1

import java.util.Scanner;

class Sum {

public static void main() {

Scanner in = new Scanner(System.in);

int calc = 0;

int num = in.nextInt();

for (int i=1 ; i <= 10 ; i++) {

if (i%2 == 0)

calc += num * i;

else

calc -= num * i;

}

System.out.print("Sum is "+calc);

}

}