#include "stdio.h"#include "math.h"int main(){float a, b, c, D, X, X1, X2, XRiil, XImajiner;printf("Perhitungan akar-akar persamaan aX2+bX+c=0\n");printf("Masukkan nilai koefisien a, b, dan c:\n");scanf("%f %f %f", &a, &b, &c);D = b*b-4*a*c;printf("Diskriminan = %g\n", D);printf("Akar persamaan %gX2 + %gX + %g = 0 adalah:\n", a, b, c);if (D > 0) {X1 = (-b+sqrt(D))/(2*a);X2 = (-b-sqrt(D))/(2*a);printf("X1 = %g\n", X1);printf("X2 = %g\n", X2);}else if (D == 0) {X = -b/(2*a);printf("X1 = X2 = %g\n", X);}else {XRiil = -b/(2*a);XImajiner = sqrt(-D)/(2*a);printf("Akar imajiner:\n");printf("X1 = %g+%g*i\n", XRiil, XImajiner);printf("X2 = %g-%g*i\n", XRiil, XImajiner);}return 0;}