32 lines
915 B
C
32 lines
915 B
C
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#include <math.h>
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#include <stdio.h>
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int main() {
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double a, b, c, discriminant, root1, root2, realPart, imagPart;
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printf("Enter coefficients a, b and c: ");
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scanf("%lf %lf %lf", &a, &b, &c);
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discriminant = b * b - 4 * a * c;
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// condition for real and different roots
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if (discriminant > 0) {
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root1 = (-b + sqrt(discriminant)) / (2 * a);
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root2 = (-b - sqrt(discriminant)) / (2 * a);
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printf("root1 = %.2lf and root2 = %.2lf", root1, root2);
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}
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// condition for real and equal roots
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else if (discriminant == 0) {
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root1 = root2 = -b / (2 * a);
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printf("root1 = root2 = %.2lf;", root1);
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}
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// if roots are not real
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else {
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realPart = -b / (2 * a);
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imagPart = sqrt(-discriminant) / (2 * a);
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printf("root1 = %.2lf+%.2lfi and root2 = %.2f-%.2fi", realPart, imagPart, realPart, imagPart);
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}
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return 0;
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}
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