MathGrit
ProblemsTechniquesPricing
Sign inGet started
Back to problems

Product Over 13th Roots of Unity

2175ExpertPolynomialsComplex Numbers

AIME II · 2024 · Problem 13

Let $\omega\neq 1$ be a $13$th root of unity. Find the remainder when $$\prod_{k=0}^{12}(2-2\omega^k+\omega^{2k})$$ is divided by $1000$.
0 students attempted0% solvedRating 2175

Related practice paths

AIME PracticeInteger-answer practice for deeper multi-step problems.How to Qualify for AIMEScore goals, contest choice, and prep habits for AIME hopefuls.How to Review Missed AMC ProblemsTurn missed problems into a repeatable improvement loop.

Ready to check your answer?

Create an account to submit answers, save history, and track your rating.

Progressive Hints5

Unlock hints one at a time — each reveals a little more without spoiling the solution.

Step-by-Step Solutions1

Multiple solution approaches with detailed walkthroughs, unlocked after you solve the problem.

AI-Powered Grading

Instant feedback on your answer — handles fractions, decimals, and equivalent forms.

Curated problem bank

Supported tracks for AMC, AIME, MATHCOUNTS, and olympiad-style training, plus global problem sources like UKMT, Euclid, and Kangaroo.