-8n+33 , lol is this ur maths homework or summin?
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It is: nth term = 35-9n
The given sequence is an arithmetic sequence where each term increases by 4. The first term (a) is 13, and the common difference (d) is 4. The nth term can be found using the formula: ( a_n = a + (n-1)d ). Therefore, the nth term is ( a_n = 13 + (n-1) \cdot 4 = 4n + 9 ).
It is increasing by 4 and the nth term is 4n+1
[ 25 - 6n ] is.
tn = n2