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Kombinační číslo
Urči hodnotu kombinačních čísla:
\large {9}\choose{8}
\large {{9}\choose{8}} = \Large \frac{9!}{8!\cdot \left( 9-8\right) !}\large = \Large \frac{9\cdot 8!}{8!}\large = 8
\large {{9}\choose{8}} = \Large \frac{9!}{8!\cdot \left( 9-8\right) !}\large = \Large \frac{9\cdot 8!}{8!}\large = 10
\large {{9}\choose{8}} = \Large \frac{9!}{8!\cdot \left( 9-8\right) !}\large = \Large \frac{9\cdot 8!}{8!}\large = 7
\large {{9}\choose{8}} = \Large \frac{9!}{8!\cdot \left( 9-8\right) !}\large = \Large \frac{9\cdot 8!}{8!}\large = 9