Write the first five terms in each of the following sequence: `a_1=a_2=2,\ a_n=a_(n-1)-1,\ n >1` .

Explanation

`a_ 1` `=1`

`a_n` =`a_(n−1)`​ +2,n>1

putting `n=2`

`a_ 2` =`a_(2−1)+2`

`=a_1``+2`

`=1+2=3`

`h=3`

`a_ 3` =`a_(3−1)` `+2`
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