Here are the first five terms of an arithmetic sequence. (a) Find an expression, in terms of $$\(n\)$$, for the $$\(n\)$$th term of this sequence. (2) The $$\(n\)$$th term of another arithmetic sequence is $$\(3 n+5\)$$ (b) Find an expression, in terms of $$\(m\)$$, for the $$\((2 m)\)$$ th term of this sequence. (1)

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