#include <stdio.h>
#include<math.h>
int main() 
{
    float a,b,c,d,r1,r2;
    printf("enter the value of a,b,c\n");
    scanf("%f %f %f",&a,&b,&c);

    d=b*b-4*a*c;
    if(d==0)
    {
        printf("the roots are real and equal\n");
        r1=-b/(2*a);
        r2=-b/(2*a);
        printf("root 1 is %f and root2 is %f\n",r1,r2);
    }
    else if(d>0)
    {
        printf("the roots are real and different\n");
        r1=(-b+sqrt(d))/(2*a);
        r2=(-b-sqrt(d))/(2*a);
        printf("root 1 is %f and root2 is %f\n",r1,r2);
    }
    else
    {
        printf("roots are imaginary\n");
    }
    
        
    return 0;
}