wypisz kilka początkowych wyrazów ciągu jeżeli jego wyraz a_{n} określony jest wzorem
1.
a₁ = 1-1 = 0
a₂ = 4-1 = 3
a₃ = 9-1 = 8
2.
a₁ = 2*1+2 = 4
a₂ = 2*4+2 = 10
a₃ = 2*9+2 = 20
a1=1^2-1=0
a2=2^2-1=3
a3=3^2-1=8
a4=4^2-1=15
-----
a1=2*1^2+2=3
a2=2*2^2+2=10
a3=2*3^2+2=20
a4=2*4^2+2=34
Pozdrawiam
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1.
a₁ = 1-1 = 0
a₂ = 4-1 = 3
a₃ = 9-1 = 8
2.
a₁ = 2*1+2 = 4
a₂ = 2*4+2 = 10
a₃ = 2*9+2 = 20
a1=1^2-1=0
a2=2^2-1=3
a3=3^2-1=8
a4=4^2-1=15
-----
a1=2*1^2+2=3
a2=2*2^2+2=10
a3=2*3^2+2=20
a4=2*4^2+2=34
Pozdrawiam