(a-1/a)(a+1/a)(a rasied to power 2 +1/a raised to power 2)(a raised to power4+1/a raised to power 4)

(a-1/a)(a+1/a)(a rasied to power 2 +1/a raised to power 2)(a raised to

1.	(a-1/a)(a+1/a)(a rasied to power 2 +1/a raised to power 2)(a raised to power4+1/a raised to power 4)
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