Binomul lui Newton (formula)
Posted: Thu Apr 16, 2009 1:32 am
\( (a+b)^n=C^0_n\cdot a^n+C^1_n\cdot a^{n-1}b+C^2_n\cdot a^{n-2}b^2 +...+C^{n-1}_n\cdot ab^{n-1}+C^n_n\cdot b^n \)
Observatie: \( C^k_n=C^{n-k}_n \)
Observatie: \( C^k_n=C^{n-k}_n \)