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Feb 22nd, 2018
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <math.h>
  4.  
  5. int main() {
  6. float a,b,c,x1,x2,delta;
  7. printf("Informe os valores dos coeficientes:");
  8. scanf("%f%f%f", &a, &b, &c);
  9. delta = pow(b,2) - 4*a*c;
  10. if(delta < 0)
  11. printf("Nao existe raiz real\n");
  12. else if(delta == 0){
  13. x1 = (-b + sqrt(delta))/(2*a);
  14. printf("Duas raizes iguais: %.3f\n", x1);
  15. }
  16. else{
  17. x1 = (-b + sqrt(delta))/(2*a);
  18. x2 = (-b - sqrt(delta))/(2*a);
  19. printf("Duas raizes: %.3f\n%.3f\n", x1, x2);
  20. }
  21. return 0;
  22. }
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