#include <stdio.h> #include <math.h> int main() { float a, b, c, determinant, r1,r2, real, imag; printf("Enter coefficients a, b and c: "); scanf("%f%f%f",&a,&b,&c); determinant=b*b-4*a*c; if (determinant>0) { r1= (-b+sqrt(determinant))/(2*a); r2= (-b-sqrt(determinant))/(2*a); printf("Roots are: %.2f and %.2f",r1 , r2); } else if (determinant==0) { r1 = r2 = -b/(2*a); printf("Roots are: %.2f and %.2f", r1, r2); } else { real= -b/(2*a); imag = sqrt(-determinant)/(2*a); printf("Roots are: %.2f+%.2fi and %.2f-%.2fi", real, imag, real, imag); } return 0; }
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