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Which term of the sequence -1,3,7, 11 , ...

Which term of the sequence `-1,3,7, 11 , 95 ?`

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Clearly, the given sequence is an A.P. such that
`a=`First term `=−1` and, `d= `Common difference `=4`
Let `95` be the `n^(th)` term of the given A.P. Then,
`a_n =95`
...
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