# Simple Series!

Calculus Level 4

$1+\frac { 1\times 3 }{ 6 } +\frac { 1\times 3\times 5 }{ 6\times 8 } +\frac { 1\times 3\times 5\times 7 }{ 6\times 8\times 10 } +\frac { 1\times 3\times 5\times 7\times 9 }{ 6\times 8\times 10\times 12}+...$

What is the sum of this infinite series above?

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