USA Mathematical Olympiad 1989 Problem
Which is larger, the real root of $x + x^2 + ... + x^8 = 8 - 10x^9$, or the real root of $x + x^2 + ... + x^{10} = 8 - 10x^{11}$?
The upper part of the solution below is mine and the lower part belongs to the math professor from Arizona, USA.
Showing posts with label USA Mathematical Olympiad 1989. Show all posts
Showing posts with label USA Mathematical Olympiad 1989. Show all posts
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