Question

Write a program to find the sum of series.



i) S= -2+4-6+8-10……..till n.​

Answer 1

Answer:

Write a c program to find out the sum of series 1 + 2 + …. + n

#include<stdio.h>

int main() {

int n,i;

int sum=0;

printf("Enter the n i.e. max values of series: ");

scanf("%d",&n);

sum = (n * (n + 1)) / 2;

printf("Sum of the series: ");