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Should you factorize?

Algebra Level pending

You are given that

\[a - \dfrac{1}{a} = \dfrac{a}{a^2+1} , \]

find the value of

\[\dfrac{1}{a^2}-a^2 . \]

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Excel in math and science

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It's hard to learn from lectures and videos

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including olympiad champions, researchers, and professionals.

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by Vicky Vignesh

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