32 lines
915 B
C
32 lines
915 B
C
#include <math.h>
|
|
#include <stdio.h>
|
|
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;
|
|
}
|