11:32 PM  C Programming Sheet - 10 | 
#include"stdio.h" 
main() 
{ 
 int y, z, p=1, n, i; 
 printf("enter z and n : "); 
 scanf("%d%d", &z, &n); 
 y=0; 
 for(i=1;i<=n;i++){ 
 p*=z; 
 y+=p; 
 } 
 printf("Y = %d", y); 
 getch(); 
} 
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