Question

(a+ 1/a)^2 + (a - 1/a)^2​

Answer 1

Answer:

see this is your answer

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Answer 2

Answer:

2 (a^2 + 1/a^2)

Step-by-step explanation:

(a+1/a)^2 + (a-1/a)^2

= a^2 + 1/a^2 + 2 + a^2 + 1/a^2 - 2

= 2a^2 + 2/a^2

= 2 (a^2 + 1/a^2

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