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I.S.I. and C.M.I. Entrance

Primes and Polynomials from I.S.I. Entrance

Prime numbers are related with polynomials. This problem from I.S.I Entrance is useful for Math Olympiad. Try video, sequential hints and practice problems.

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This problem of primes and polynomials is from B.Stat, B.Math Entrance.

Let x and n be positive integers such that $ 1 + x + x^2 + … + x^{n-1} $ is a prime number. Then show that n is a prime number.

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Rest of the hint, detailed solution, practice problems.



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By Dr. Ashani Dasgupta

Ph.D. in Mathematics, University of Wisconsin, Milwaukee, United States.

Research Interest: Geometric Group Theory, Relatively Hyperbolic Groups.

Founder, Cheenta

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