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The nth term of an arithmetic sequence = a + [(n - 1) X d]
7 - 4n where n denotes the nth term and n starting with 0
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 ).
The nth term is 3(n+1). The twenty-third term is equal to 3 x (23 + 1) = 72
xn=x1+(n-1)v^t and Pn=P1+(n-1)iP1