Show that 1 x4 + 1 1 x2 for all x, and use this to prove that 1 dx x4 + 1 converges

Chapter 7, Problem 54

(choose chapter or problem)

Show that 1 x4 + 1 1 x2 for all x, and use this to prove that 1 dx x4 + 1 converges.

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