Question

what is the sum of first n positive integers?

Plz answere...​

Answer 1

Answer:

Sum of first n positive integers is n(n + 1)/2

Step-by-step explanation: Hope you liked the solution. Please mark me as the brainliest.

Answer 2

Answer:

Write a program in java to calculate the sum of first n positive numbers

Step-by-step explanation:

import java.util.*;

class Sum

{

public static void main (String args[])

{

Scanner obj = new Scanner (System.in);

int n,i,s=0;

System.out.println("Enter the number of first positive numbers");

n=obj.nextInt();

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

{

s=i+s;

}

System.out.println("Sum of first " +n+ " positive numbers :- " +s);

}

}