2014 UNM-PNM Statewide High School Mathematics Contest II Problems/Problem 2
Contents
Problem
If , solve the equation
Solution
We can write . This means that .
Working backwards, .
Then, .
Finally, .
Solution 2
Note that . Thus, . In the question, , so we have . Solving,
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See also
2014 UNM-PNM Contest II (Problems • Answer Key • Resources) | ||
Preceded by Problem 1 |
Followed by Problem 3 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
All UNM-PNM Problems and Solutions |