Use power series to find the general solution of the given differential equation. (x? - 1) y" + 7xy' – 7y=0 Choose the correct solution below. Co and c, are arbitrary constants. OA. 3 2 + c, (x+x5 +.) + C1 4 OB. 7 3 4 х + 4 y = Co + cqX + 2 Oc. y = Co 21 4 + C,X 2 8 O D. y=(1--* ,2 8 +

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