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Find the sequence of the numbers defined...

Find the sequence of the numbers defined by
`a_(n)={{:(1/n,"when n is odd"),(-1/n,"when n is even"):}`

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To find the sequence defined by \( a_n \) where: \[ a_n = \begin{cases} \frac{1}{n} & \text{when } n \text{ is odd} \\ -\frac{1}{n} & \text{when } n \text{ is even} \end{cases} ...
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Knowledge Check

  • In the sequence a_n , then nth term is defined as (a_(n - 1) - 1)^2 . If a_(1) = 4 , then what is the value of a_2 ?

    A
    `2`
    B
    `3`
    C
    `4`
    D
    `9`
  • In the sequence a_(n) the nth term is defined as (a_(n-1) - 1)^(2) . If a_(3) = 64 , then what is the value of a_(2) ?

    A
    2
    B
    3
    C
    4
    D
    9
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