S(x,n) = 1 +x + x^2+...+x^n
CHƯƠNG TRÌNH MẪU
Mã:#include "conio.h" #include "stdio.h" float Power(float x, unsigned int n) { float temp = 1; for(int i = 0; i<n; i++) temp*= x; return temp; } double Sum(float x, unsigned int n) { double temp = 0; for(int i = 1; i<=n; i++) temp+= Power(x,i); return temp; } void main(){ clrscr(); unsigned int n; float x; printf("Nhap vao n = "); scanf("%d",&n); printf("Nhap vao x = "); scanf("%f",&x); printf("S = %.2f",Sum(x,n)); getch(); }