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61. Pentru o progresie geometrica (b)he cu_ratia_q > 0,q#1, se noteaza n S₁ n -Σ k=1 bk, T = ΣΕ η k=1 bk P = Π k=1 a) Calculati S4 T4, daca b, = 6, by = 54; 63​

61 Pentru O Progresie Geometrica Bhe Curatiaq Gt 0q1 Se Noteaza N S N Σ K1 Bk T ΣΕ Η K1 Bk P Π K1 A Calculati S4 T4 Daca B 6 By 54 63 class=