September 2018 1 52 Report

1)Oblicz pięć początkowych wyrazów ciągu:

a) a_n=\frac{2-n}{3n-1}
b) a_n=-2n²-2n+3

2) Oblicz piąty i ósmy wyraz ciagu a_n=(-1)^{n}\frac{n-5}{2n^2}

3) Który wyraz wynosi 1

a) a_n-\frac{3n-5}{n-1}
b) a_n=-n^2-2n+4


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