2019 CIME I Problems/Problem 12
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Let be the locus of all points in the complex plane satisfying , and let be the locus of all points where and . If the area enclosed by is , compute .
Solution 1
Graph the equation in the complex plane and you will find that the locus of all points is the intersection of two circles and has area . The greatest integer less than or equal to is .
See also
2019 CIME I (Problems • Answer Key • Resources) | ||
Preceded by Problem 11 |
Followed by Problem 13 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 | ||
All CIME Problems and Solutions |
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