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UNIVERSIDAD DE CONCEPCION

FACULTAD DE CIENCIAS

FISICAS Y MATEMATICAS

DEPARTAMENTO DE INGENIERIA MATEMATICA

ALGEBRA Y ALGEBRA LINEAL 520142

Listado 3 (Induccion)

5.n

k=1

k2 =n(2n + 1)(n + 1)

6

6. La conjetura es:n

i=1

(−1)i+1i2 = (−1)n+1

n∑

i=1

i

9. La desigualdad es valida para todo n ≥ 5.

10. a) 3 · 54 · 11x8.

b) No existe.

c) Son(

15

7

)√

y9 y(

15

8

)

y3.

d) No existen.

RRS/RNG/JMS/AGS/LNB/JSA/BBM/LRS/ags (pueden haber errores)semestre otono 2006.

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