Question
Sum of Series 1+(1+2)+(1+2+3)+(1+2+3+4)+….+n
ENTER THE Nth TERM
3
SUM OF SERIES=10
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Code
import java.util.Scanner;
public class Series
{
public static void main()
{
int n=0,i=0,sum=0,SumOfPreviousNumbers=0;
Scanner sc=new Scanner(System.in);
System.out.println("ENTER THE Nth TERM");
n=sc.nextInt();
for(i=1;i<=n;i++)
{
SumOfPreviousNumbers=SumOfPreviousNumbers+i;
sum=sum+SumOfPreviousNumbers;
}
System.out.println("SUM OF SERIES="+sum);
}
}
