Created
June 25, 2017 11:33
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Soit le polynôme ax3 + bx2 + cx +d. Ecrire un algorithme qui, demande à l’utilisateur les coefficients (a,b,c,d) d’un polynôme, le nombre x et calcule la valeur du polynôme au point x.
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#include<stdio.h> | |
main() | |
{ | |
printf("================================\n"); | |
printf("{{ Valeur du polynôme : aX^3 + bX^2 + cX + d }}\n"); | |
printf("================================\n"); | |
float a,b,c,d,x,V; | |
printf("Entrez le coefficient a: "); | |
scanf("%f",&a); | |
printf("Entrez le coefficient b: "); | |
scanf("%f",&b); | |
printf("Entrez le coefficient c: "); | |
scanf("%f",&c); | |
printf("Entrez le coefficient d: "); | |
scanf("%f",&d); | |
printf("________________________________\n"); | |
printf("Expression du polynôme: %f*(X^3) + %f*(X^2) + %f*(X)+ %f\n", a,b,c,d); | |
printf("________________________________\n"); | |
printf("Entrez une valeur de X: "); | |
scanf("%f",&x); | |
V=(a*x*x*x)+(b*x*x)+(c*x)+d; | |
printf("________________________________\n"); | |
printf("La valeur du polynôme au point X=%f est: %f\n", x,V); | |
printf("________________________________\n"); | |
} |
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