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- #include <stdio.h>
- #include <stdlib.h>
- #include <math.h>
- int main(int argc, char *argv[])
- {
- float x, x1, x2, a, b, c, d;
- printf("\nCalculando equacoes do modo ax^2+bx+c=0 para a>0 ou a<0 e bx+c=0 para a=0.");
- printf("\n\nDigite o valor de a: ");
- scanf("%f", &a);
- printf("\n\nDigite o valor de b: ");
- scanf("%f", &b);
- printf("\n\nDigite o valor de c: ");
- scanf("%f", &c);
- if(a==0)
- {
- x= -c/b;
- printf("\n\nO valor de x1 eh: %f\n\n", x);
- }
- else
- {
- x1=(-b+sqrt((b*b)-4*a*c))/2*a;
- x2=(-b-sqrt((b*b)-4*a*c))/2*a;
- printf("\n\nO valor de x1 eh: %f", x1);
- printf("\n\nO valor de x2 eh: %f\n\n", x2);
- }
- system("PAUSE");
- return 0;
- }
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