How calculate a(subscript n) and limit of sequence a(subscript n) if a(subscript n)=(1/pi(4n-4-2b(subscript n)))^n and b(subscript n)=int_1^n 2x^2/(x^2+1)dx?

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aruv | High School Teacher | (Level 2) Valedictorian

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What limit ? It is not given in question. I have calculated `b_n and a_n .`

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