Find the First Term 2n+1

$2 n + 1$

Step 1

Substitute in the value of $n$ to find the $n$ th term.

$a_{1} = 2 (1) + 1$

Step 2

Multiply $2$ by $1$ .

$a_{1} = 2 + 1$

Step 3

Add $2$ and $1$ .

$a_{1} = 3$

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