lim an = +" Ð!Ò! "M>0 "N"IN "n>N an > M
n+"
lim an = -" Ð!Ò! "M<0 "N"IN "n>N an < M
n+"

an+1

lim = q < 1, lim an = 0.

n+" n+"
an
n
xn > 0, x, y " IR, x > 0, xn - x, yn - y, n +". (xn)y - xy, n +".
"
limn+" n = +"; limn+"(-n2) = -".
n
"
nĄ nĄ (-1)n
an = 7 + 4 · (-1)n, bn = n sin , cn = sin , dn = 1 + .
2 4 n

(-2)n+1
n
n
an = 4(-1) + 3, bn = .
2n + 1
n
2n + n3 n!
an = , bn = .
2n nn