Difference between revisions of "2017 UNM-PNM Statewide High School Mathematics Contest II Problems/Problem 7"
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== Solution== | == Solution== | ||
| − | + | <math>\frac{2^n+(1+i)^n+(1-i)^n}{4}</math> | |
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== See also == | == See also == | ||
for any natural number 
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