Question

expand (x+1/x) (x-1/x) plz plz tell if someone is online​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(x⁴-1)/x²

Step-by-step explanation:

(x+1/x)(x-1/x)

(x)²-(1/x)²

x²-1/x²

(x⁴-1)/x²