Problem

Problem of the Day #101

POTD March 19, 2024

Let $f(x) = \tfrac{x^4+5x^3+7x^2+5x+6}{x^4+3x^3+3x^2+3x+2}$ . Find the absolute value of the product of all integers $x$ such that $f(f(x))$ is a positive integer.

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Category: Problem of the Day
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