Or :
the sum of the binomial coefficients of odd rank is
Subtracting the two sum we obtain
or
The sum of the binomial coefficients of even rank is
Identities in the combination calculus( continuation)
Adding the two sums member by member we obtain:
Adding the two sums member by member we obtain:
Adding the two sums member by member we obtain:
Adding the two sums member by member we obtain:
Or :
the sum of the binomial coefficients of odd rank is
Subtracting the two sum we obtain
or
The sum of the binomial coefficients of even rank is
Adding the two sums member by member we obtain: