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Am nevoie urgent de rezolvare

Am Nevoie Urgent De Rezolvare class=

Răspuns :

x1=0
x(n)=x(n-1)+ (1/2)^(n+1)

x(2) = x(1) +(1/2)^3 = 0 + 1/8 =1/8
x(3) = x(2) + (1/2)^4 = 1/8 + 1/16 = 3/16
x(4) = x(3) + (1/2)^5 = 3/16 + 1/32 = 7/32