ABSTRACT
Since https://www.w3.org/1998/Math/MathML">729=93https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003182306/8ab2a8d6-7197-4dcb-8ac9-ddf1b8683bbd/content/math21_1.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>, https://www.w3.org/1998/Math/MathML">[GF(729):GF(9)]=3https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003182306/8ab2a8d6-7197-4dcb-8ac9-ddf1b8683bbd/content/math21_2.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>; since https://www.w3.org/1998/Math/MathML">64=82https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003182306/8ab2a8d6-7197-4dcb-8ac9-ddf1b8683bbd/content/math21_3.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>, https://www.w3.org/1998/Math/MathML">[GF(64):GF(8)]=2https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003182306/8ab2a8d6-7197-4dcb-8ac9-ddf1b8683bbd/content/math21_4.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>.
