Write a C program to find the roots of a quadratic equation

 /*Write a C program to find the roots of a quadratic equation.*/

#include<stdio.h>

#include<conio.h>

#include<math.h>

main()

{

        float a,b,c,r1,r2,disc;

        clrscr();

        printf("Enter the a, b, c values \n");

        scanf("%f%f%f",&a,&b,&c);

        disc=b*b-4*a*c;/*to find discriminant*/

        if(disc<0)/*distinct roots*/

        printf("\n\n Roots are IMAGINARY\n");

        else

        {

                r1=(-b+sqrt(disc))/(2*a);

                r2=(-b-sqrt(disc))/(2*a);

                printf("\n\n Root1 = %5.2f\n\n Root2 = %5.2f\n",r1,r2);

        }

getch();

}

output:

Enter the a, b, c values

3

-10

5

 Root1 =  2.72

 Root2 =  0.61

Posted in: C