C++ :

#include <stdio.h>
int main() {
    //FILE *fout;
	//fout=fopen("output.txt","w");
	double sum = 0;
	double x;
	int k;
 	for(x = 0.000; x <= 2.000; x += 0.001) {
		sum = 0;
		for(k= 1; k < 10000; k++) {
			sum += (1.0 - x) / (k * (k + 1) * (k + x));
		}
		sum = sum + (1 - x) / (2 * 10000 * 10000) + 1.0;
		//fprintf(fout,"%.3f %.12f\n", x, sum);
		printf("%.3f %.12f\n", x, sum);
 	}
	return 0;
}