Question

TEMA: SERIES II RAZ. MATEMÁTICO

Answer 1

Rpta: 7/2

Solucion:

M=1+1/3+1/9+1/27.... N=1+1/2+1/4+1/8...

M=1/3(3+1+1/3+1/9+1/27..) N=1/2(2+1+1/2+1/4...

M=1/3(3+M) N=1/2(2+N)

M=1+M/3 N=1+N/2

M-1=M/3 N-1=N/2

3M-3=M 2N-2=N

2M=3 N=2

M=3/2

M + N = 7/2