FÓRMULA
N i=N N i N- i
( 1 + N ) = ∑ ( ) * 1 * N →
i=0 i
N i = N N N- i
( N + 1 ) = ∑ ( ) N
i = 0 i
También:
N i=N N i
( N + 1 ) = ∑ ( ) N
i = 0 i
Casos: N=0 → 10 = C00.00 = 1.¿? p -
N=1 → 21 = C01.10 + C11.11 = 1.¿? + 1.1 = -
N=2 → 32 = C02.20 + C12.21 + C22.22 = 1.1 + 2.2 + 1.4 = 9
N=3 → 43 = C03.30 + C13.31 + C23.32 + C33.33 = 1.1 + 3.3 + 3.9 + 1.27 = 64
N=4 → 54 = C04.40 + C14.41 + C24.42 + C34.43 + C44 .44 = 1.1 + 4.4 + 6.16 +64+ 1.256 = 1+16+96+256+256 = 625
Luego
Ni = N N i
( N + 1 ) = ∑ ( ) N
i = 0 i
Si N=1 →
Ni = N N
( 1 + 1 ) = ∑ ( ) →
i = 0 i
i = N N
2 = ∑ ( )
i = 0 i
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