Answer:
your answers are going to be
Step-by-step explanation:
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Solve -2z – 5 > 3 for z.
2 answers:
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Answer:
This series diverges.
Step-by-step explanation:
In order for the series to converge, i.e. it must hold that for any small
>0, there must exist
so that starting from that term of the series all of the following terms satisfy that
.
It is obvious that this cannot hold in our case because we have three sub-series of this observed series. One of them is a constant series with , the other is constant with
, and the third one has terms that are approaching infinity.
Really, we can write this series like this:
If we denote the first series as , we will have that
.
The second series is denoted as and we have that
.
The third sub-series is a constant series and it holds that
.
Since those limits of sub-series are different, we can never find such so that every next term of the entire series is close to one number.
To make an example, if we observe the first sub-series if follows that A must be equal to 1. But if we chose , all those terms associated with the third sub-series will be out of this interval
.
Therefore, the observed series diverges.