Mathc initiation/a160

Sommaire

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	fc.h

/* --------------------------------- */
/* save as fc.h                      */
/* --------------------------------- */
double F_pls2(
double n)
{
        return(factorial(n+2));
}
char  eqF_pls2[] =   "(n+2)!";
/* --------------------------------- */
double F_pls2_a(
double n)
{
        return(         (n+2)*(n+1)*factorial(n));
}
char  eqF_pls2_a[] = "(n+2)(n+1)(n)!";
/* --------------------------------- */
double F_pls2_b(
double n)
{  
        return(         (n+2)*(n+1)*n*factorial(n-1));
}
char  eqF_pls2_b[] = "(n+2)(n+1) n (n–1)!";
/* --------------------------------- */
/* --------------------------------- */