1974 AHSME Problems/Problem 18
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Problem
If and , then, in terms of and , equals
Solution
Notice that , so it would probably be easier to work in base . From change of base, . We're given that , so now we just need to find .
We have , so . Also, . Therefore, .
See Also
1974 AHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 17 |
Followed by Problem 19 | |
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