Difference between revisions of "1974 AHSME Problems/Problem 18"
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==See Also== | ==See Also== | ||
{{AHSME box|year=1974|num-b=17|num-a=19}} | {{AHSME box|year=1974|num-b=17|num-a=19}} | ||
+ | [[Category:Introductory Algebra Problems]] |
Revision as of 09:19, 30 May 2012
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 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 • 29 • 30 | ||
All AHSME Problems and Solutions |