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

#define eps 1e-6
#define dx 1e-8

double f(double x)
{
	return (x*x*x - 2*x*x - 11*x + 12);
}

double df(double x)
{
	return (3*x*x - 4*x - 11); 
}

int main(void)
{	
	double x,delta,y;
	int i;

	for (double x0=2.3528 ; x0>1e-4 ; x0=x0-5e-2)
	{
		x=x0;
		do 
		{
			y=x;
			x=x-f(x)/df(x);
			delta=(x-y);
		} while (delta>eps);

		printf("%lf \t %lf \t %lf \n",x0,x,f(x)); // bacia de atração

	}

	return 0;
}