Question: Exercise Let R be a unique factorisation domain ( UFD ) . Show that R is integrally closed in its quotient field . I A

Exercise Let R be a unique factorisation domain ( UFD ) . Show that R is integrally closed in its quotient field . I A UFD is an integral domain in which every non-zero non-unit element can be written as a product of prime elements, uniquely up to order and units, analogous to the fundamental theorem of arithmetic

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