#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
float a,b,c,r1,r2,d;
clrscr();
printf("enter value of a,b,c");
scanf("%f%f%f",&a,&b,&c);
d=b*b-4*a*c;
if (d<0)
{
printf("roots are imaginary");
}
else if(d==0)
{
r1=-b/(2*a);
r2=r1;
printf("r1 and r2 are%f%f",r1,r2);
}
else
{
r1=(-b+sqrt(d))/2*a;
r2=(-b-sqrt(d))/2*a;
printf("r1 andr2 are%f%f",r1,r2);
}
getch();
}
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