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Mathematics Qualifying Exam Question Bank

Department of Mathematics

Question

Math 6310 • Algebra

Spring 2009 • Question 7

Question

Math 6310 • Algebra Spring 2009 • Question 7

Let \(\mathbb {F}\) be a field with 81 elements. What is the number of roots of \(x^{25}-1=0\) in \(\mathbb {F}\)?

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Let \(\mathbb{F}\) be a field with 81 elements. What is the number of roots of \(x^{25}-1=0\) in
\(\mathbb{F}\)?

Topic Tags

Finite Fields