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Let A be the 10-adic numbers. Prove that there are two elements a, b EA of A such that a a #0 and b
Let A be the 10-adic numbers. Prove that there are two elements a, b EA of A such that a a #0 and b #0 7 ab=0 . [Notice that this means that A is not a field, because if ab=0 then 2 but 0 and b can't have multiplicative inverses: ab:
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To prove that there are two elements a b A such that a 0 and b 0 but ab 0 we can consider the 10adic ...
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Intermediate Microeconomics
Authors: Hal R. Varian
9th edition
978-0393123975, 393123979, 393123960, 978-0393919677, 393919676, 978-0393123968
