Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2013 Question 78

Math Olympiad Vault · MathNet 2013

Question 78

Let $x$ be a real number so that $x + \frac{1}{x} = 3$. Find the last two digits of $x^{2^{2013}} + \frac{1}{x^{2^{2013}}}$.