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In-Depth Information
84
1.5
1
lim sup
0.5
5
10
15
20
-0.5
lim inf
-1
-1.5
-2
(ii) All terms between
2.
(iv)
a
1
1/2
n
.(
a
)
1.
(v) sup
. inf
2.
(vi)
u
1
,
u
1
,
u
1
,
u
1
.
l
2,
l
1
,
l
1
,
l
1
.
(vii)
a
k
1
n
a
k
n
and qn 82.
(ix) lim sup
a
1, lim inf
a
1.