1. Consider the sequence (zn | n e Z+) where 1 + i (-1)" Zn n n2 Also let On = Arg(zn) and recall that Arg(z) is the principal argument of z. Determine whether the following limits exist. If the respective limit exists then calculate it. If the limit does not exist, justify that this is so. (a) lim zn (a) lim On

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Chapter2: Second-order Linear Odes
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1. Consider the sequence (zn | n e Zt) where
1
(-1)"
+ i
n2
n
Zn
Also let
On
Arg(zn)
and recall that Arg(z) is the principal argument of z.
Determine whether the following limits exist. If the respective limit exists then
calculate it. If the limit does not exist, justify that this is so.
(a)
lim zn
(a)
lim On
Transcribed Image Text:1. Consider the sequence (zn | n e Zt) where 1 (-1)" + i n2 n Zn Also let On Arg(zn) and recall that Arg(z) is the principal argument of z. Determine whether the following limits exist. If the respective limit exists then calculate it. If the limit does not exist, justify that this is so. (a) lim zn (a) lim On
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