ABSTRACT
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12.1.1 x n + 1 = a x n y n + 1 = b y n https://s3-euw1-ap-pe-df-pch-content-public-u.s3.eu-west-1.amazonaws.com/9780429493003/f04450b4-94bb-4989-81e3-794eac63aa5c/content/eq1112.tif"/>