If f(x) =4* (x^4 - 1)/(x^2), what is f(1/x) in terms of…

If f(x) =4* (x^4 - 1)/(x^2), what is f(1/x) in terms of f(x)?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #6356