oblicz sume ciagu geometrycznego, gdy a1=1, q=2, n=6
Sn=a1*1-qdo potęgi n/ 1-q
Sn= 1* 1-2do potęgi 6/1-2
Sn=1*1-64/1-2=1*63/-1=-63
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Sn=a1*1-qdo potęgi n/ 1-q
Sn= 1* 1-2do potęgi 6/1-2
Sn=1*1-64/1-2=1*63/-1=-63