Use the Principle of Mathematical Induction to Prove That $$1 + 2 ^ { n } \leq 3 ^ { n } \text { for all } n \geq 1$$

Short Answer

Use the Principle of Mathematical Induction to prove that $$1 + 2 ^ { n } \leq 3 ^ { n } \text { for all } n \geq 1$$