## Related questions with answers

Question

Find the first four terms as well as the tenth term of the sequence with the given $n$th term.

$a_n=(-1)^n \frac{2^n}{n}$

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 3Given the n-th term rule

$a_{n}=(-1)^{n}\cdot\frac{2^{n}}{n}$

replace $n$ with $\quad 1,2,3,4,$ and $10$.

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