The values are .
The formula for the sum of an infinite geometric series to find is .
Substiute in the formula .
Find the value of :
The first three terms of the sequence are .
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is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=805f713f11483cc7c6eb31cc7da86ffa.png\")
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in the formula ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=805f713f11483cc7c6eb31cc7da86ffa.png\")
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.