Difference between revisions of "1950 AHSME Problems/Problem 43"
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[[Category:Introductory Algebra Problems]] | [[Category:Introductory Algebra Problems]] | ||
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Revision as of 11:30, 5 July 2013
Problem
The sum to infinity of $\frac{1}{7}\plus{}\frac {2}{7^2}\plus{}\frac{1}{7^3}\plus{}\frac{2}{7^4}\plus{}...$ (Error compiling LaTeX. Unknown error_msg) is:
Solution
Note that this is 
. Using the formula for a geometric series, we find that this is 
See Also
| 1950 AHSC (Problems • Answer Key • Resources) | ||
| Preceded by Problem 42 |
Followed by Problem 44 | |
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| All AHSME Problems and Solutions | ||
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
