Question

evaluate the product (a-1/a) (a+1/a) (a^2+1/a^2)

Answer 1

Answer:

$\frac{ {a}^{4} - 1}{ {a}^{4} }$

Use the identity, (a+b) (a-b) = a^2-b^2

Answer 2

hope this will help you mate

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