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let-a-n-the-sequence-wich-verify-a-n-a-n-1-1-n-n-2-calculate-n-1-a-n-x-n-




Question Number 97226 by mathmax by abdo last updated on 07/Jun/20
let  a_n  the sequence wich verify a_n  +a_(n+1) =(((−1)^n )/n^2 )  calculate Σ_(n=1) ^∞  a_n x^n
letanthesequencewichverifyan+an+1=(1)nn2calculaten=1anxn

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