Question:Write a c program or code to find out the sum of series 1^3 + 2^3 + …. + n^3 that is sum of cube of n natural numbers. 

Answer 
#include<stdio.h>
#include<math.h>

int main(){

    int n,i;
    int sum=0;

    printf("Enter the n i.e. max values of series: ");
    scanf("%d",&n);

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

    printf("Sum of the series : ");

    for(i =1;i<=n;i++){
         if (i != n)
             printf("%d^3 + ",i);
         else
             printf("%d^3 = %d ",i,sum);
    }

    return 0;
}
Sample output: Enter the n i.e. max values of series: 3 Sum of the series: 1^3 + 2^3 + 3^3 = 36 

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Write a c program or code to find out the sum of series 1^3 + 2^3 + …. + n^3 that is sum of cube of n natural numbers.
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