Find the roots of the quadratic equation in C

  Find the roots of the quadratic equation in C

Program:

#include <stdio.h>

#include <math.h> // For sqrt()

int main() {

    float a, b, c, discriminant, root1, root2;

    // Input coefficients

    printf("Enter coefficients a, b, and c: ");

    scanf("%f %f %f", &a, &b, &c);

    // Calculate discriminant

    discriminant = b * b - 4 * a * c;

    // Check the nature of the roots

    if (discriminant > 0) {

        // Two real and distinct roots

        root1 = (-b + sqrt(discriminant)) / (2 * a);

        root2 = (-b - sqrt(discriminant)) / (2 * a);

        printf("Roots are real and different.\n");

        printf("Root 1 = %.2f\n", root1);

        printf("Root 2 = %.2f\n", root2);

    } else if (discriminant == 0) {

        // Two real and equal roots

        root1 = -b / (2 * a);

        printf("Roots are real and equal.\n");

        printf("Root = %.2f\n", root1);

    } else {

        // Complex roots

        float realPart = -b / (2 * a);

        float imagPart = sqrt(-discriminant) / (2 * a);

        printf("Roots are complex and imaginary.\n");

        printf("Root 1 = %.2f + %.2fi\n", realPart, imagPart);

        printf("Root 2 = %.2f - %.2fi\n", realPart, imagPart);

    }

    return 0;

}

Output:

Output 2: