Difference between revisions of "1974 AHSME Problems/Problem 15"
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==See Also== | ==See Also== | ||
{{AHSME box|year=1974|num-b=14|num-a=16}} | {{AHSME box|year=1974|num-b=14|num-a=16}} | ||
+ | [[Category:Introductory Algebra Problems]] | ||
+ | {{MAA Notice}} |
Latest revision as of 11:43, 5 July 2013
Problem
If , then equals
Solution
Notice that, for , , and for , .
Since , , so . Therefore, , and so .
See Also
1974 AHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 14 |
Followed by Problem 16 | |
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 |
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions.