diff --git a/quadratic.c b/quadratic.c new file mode 100644 index 0000000..8430b53 --- /dev/null +++ b/quadratic.c @@ -0,0 +1,31 @@ +#include +#include +int main() { + double a, b, c, discriminant, root1, root2, realPart, imagPart; + printf("Enter coefficients a, b and c: "); + scanf("%lf %lf %lf", &a, &b, &c); + + discriminant = b * b - 4 * a * c; + + // condition for real and different roots + if (discriminant > 0) { + root1 = (-b + sqrt(discriminant)) / (2 * a); + root2 = (-b - sqrt(discriminant)) / (2 * a); + printf("root1 = %.2lf and root2 = %.2lf", root1, root2); + } + + // condition for real and equal roots + else if (discriminant == 0) { + root1 = root2 = -b / (2 * a); + printf("root1 = root2 = %.2lf;", root1); + } + + // if roots are not real + else { + realPart = -b / (2 * a); + imagPart = sqrt(-discriminant) / (2 * a); + printf("root1 = %.2lf+%.2lfi and root2 = %.2f-%.2fi", realPart, imagPart, realPart, imagPart); + } + + return 0; +}