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Can you notice a pattern?

Algebra Level 2

The Sum To Infinity of \(\displaystyle \cfrac { 1 }{ 7 } +\cfrac { 2 }{ { 7 }^{ 2 } } +\cfrac { 1 }{ { 7 }^{ 3 } } +\cfrac { 2 }{ { 7 }^{ 4 } } ...\) is

none of these \[\displaystyle \cfrac { 1 }{ 5 }\] \[\displaystyle \cfrac { 1 }{ 24 }\] \[\displaystyle \cfrac { 1 }{ 26 }\]

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by Soumo Mukherjee

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