Use Mathematical Induction to Prove That the Statement Is True $$1 \cdot 5 + 2 \cdot 5 + 3 \cdot 5 + \ldots + 5 n = \frac { 5 n ( n + 1 ) } { 2 }$$

question 267

Essay

Use mathematical induction to prove that the statement is true for every positive integer n.
- $$1 \cdot 5 + 2 \cdot 5 + 3 \cdot 5 + \ldots + 5 n = \frac { 5 n ( n + 1 ) } { 2 }$$

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Definitions:

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Good Title

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