Respuesta:
[tex] \binom{7}{2} = 2(7) - 2 = 12 \\ \binom{4}{3} = 2(4) - 3 = 5[/tex]
Entonces la suma es 17.
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Respuesta:
[tex] \binom{7}{2} = 2(7) - 2 = 12 \\ \binom{4}{3} = 2(4) - 3 = 5[/tex]
Entonces la suma es 17.