C Program - Find All Roots of a Quadratic Equation
#include <stdio.h>
#include <math.h>
int main() {
float a, b, c, discriminant, root1, root2, realPart, imaginaryPart;
printf("Enter coefficients a, b and c: ");
scanf("%f %f %f", &a, &b, &c);
discriminant = b*b - 4*a*c;
if (discriminant > 0) {
root1 = (-b + sqrt(discriminant)) / (2*a);
root2 = (-b - sqrt(discriminant)) / (2*a);
printf("Real and Distinct Roots: %.2f and %.2f\n", root1, root2);
}
else if (discriminant == 0) {
root1 = root2 = -b / (2*a);
printf("Real and Equal Roots: %.2f and %.2f\n", root1, root2);
}
else {
realPart = -b / (2*a);
imaginaryPart = sqrt(-discriminant) / (2*a);
printf("Complex Roots: %.2f + %.2fi and %.2f - %.2fi\n",
realPart, imaginaryPart, realPart, imaginaryPart);
}
return 0;
}Enter coefficients a, b and c: 1 -3 2
Real and Distinct Roots: 2.00 and 1.00⬅ Previous TopicC Prime Numbers in Range using Functions
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