Easy series for the new year

Calculus Level 3

\[ \large \dfrac { 1\times 3 }{ 3 } +\dfrac { 2\times 4 }{ { 3 }^{ 2 } } +\dfrac { 3\times 5 }{ { 3 }^{ 3 } } + \cdots = \, ? \]

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