/* Quadratic Equation
Date:01/09/2025
Urvashiba Gohil
Rahul Makwana
*/
#include <stdio.h>
#include <math.h>
int main()
{
float a,b,c,discriminant,root1,root2;
printf("enter the value of co-efficient a,b,c\n");
scanf("%f%f%f",&a,&b,&c);
discriminant=(b*b)-(4*a*c); // discriminant
printf("value of discriminant is=%f\n",discriminant);
if(discriminant<0) // case: discriminant < 0 (imaginary roots)
{
printf("both roots are imaginary\n");
}
if(discriminant==0) // case: discriminant = 0 (equal roots)
{
printf("both roots are same\n");
root1=root2=-b/(2*a);
printf("%f\n%f\n",root1,root2);
}
if(discriminant>0) // case: discriminant > 0 (real & distinct)
{
printf("both roots are real and distinct\n");
root1=(-b + sqrt(discriminant))/(2*a);
root2=(-b - sqrt(discriminant))/(2*a);
printf("%f\n%f\n",root1,root2);
}
}
OUTPUT:
enter the value of co-efficient a,b,c
1
5
3
value of discriminant is=13.000000
both roots are real and distinct
-0.697224
-4.302776
enter the value of co-efficient a,b,c
9
9
9
value of discriminant is=-243.000000
both roots are imaginary
enter the value of co-efficient a,b,c
1
4
4
value of discriminant is=0.000000
both roots are same
-2.000000
-2.000000
