October 2018 1 21 Report

Oblicz granicę ciągu o wyrazie ogólnym:

a) an=(2+4+6+...+2n)/(n^2)

b) an=(1+3+5+...+(2n-1))/(n(n+1))

c) an=(1+2+3+...+n)/(n^2+2n+5)

d) an=3n-√(9n^2+6n-5)

e) an=√(n^2-1)-√(n^2-2)

f) an=√(4n^2+n)-2n

Bardzo proszę o pomoc. Daje naj, thx i dużo pkt.


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