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

Subtract $1$ from $2$ .

$a_{1} = 1$

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