1982 AHSME Problems/Problem 30
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Problem
Find the units digit of the decimal expansion of ![\[\left(15 + \sqrt{220}\right)^{19} + \left(15 + \sqrt{220}\right)^{82}.\]](http://latex.artofproblemsolving.com/3/7/2/37278df376055897e1132e53b5a6d5bb9a92c3b1.png)
Solution
See Also
| 1982 AHSME (Problems • Answer Key • Resources) | ||
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