Use mathematical induction to prove the following for every positive integer $n$.
$$1 + 3 + 9 + 27 + \ldots + 3 ^ { n - 1 } = \frac { 3 ^ { n } - 1 } { 2 }$$

Name: Use mathematical induction to prove the following for every positive integer $n$. \[1 + 3 + 9 + 27 + \ldots + 3 ^ { n - 1 } = \frac { 3 ^ { n } - 1 } { 2 }\]
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The Answer of Use mathematical induction to prove the following for every positive integer $n$.
$$1 + 3 + 9 + 27 + \ldots + 3 ^ { n - 1 } = \frac { 3 ^ { n } - 1 } { 2 }$$

Use Mathematical Induction to Prove the Following for Every Positive nnn

Use Mathematical Induction to Prove the Following for Every Positive $n$