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- #include <stdio.h>
- #include <math.h>
- int main() {
- double a,b,c;
- double delta;
- do {
- printf("podaj wpolczynniki a b c:\n");
- printf("A =");
- scanf("%f", a);
- printf("B =");
- scanf("%f", b);
- printf("C =");
- scanf("%f", c);
- printf("funkcja ma postać: %fx^2 + %fx + c\n", a,b,c);
- delta = b * b - 4 * (a * c);
- if(delta <= 0){
- printf("Delta ujemna podaj jeszcze raz!!\n");
- }
- }while(delta <= 0);
- float x1,x2;
- x1 = (float) ((-b - sqrt(delta)) / (2 * a));
- x2 = (float) ((-b + sqrt(delta)) / (2 * a));
- printf("miejsca zerowe: %f %f\n",x1,x2);
- for(float index = x1; index <= x2; index=index + 0.01){
- float var = (a*(index*index) + b * index + c);
- printf("F(%f) = %f\n",index, var);
- }
- return 0;
- }
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