Mathematics, 23.10.2021 14:00 naynay394

Trên tập số thực R ,xét quan hệ xRỵ khi và chỉ khi x ^ 2 = y ^ 2 a) Chứng minh rằng R là một quan hệ tương đương trên R.

b) Mô tả lớp tương đương của một phần tử a bắt kì, từ đó mô tả tập thương R /R.

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Trên tập số thực R ,xét quan hệ xRỵ khi và chỉ khi x ^ 2 = y ^ 2 a) Chứng minh rằng R là một quan...

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Trên tập số thực R ,xét quan hệ xRỵ khi và chỉ khi x ^ 2 = y ^ 2 a) Chứng minh rằng R là một quan hệ tương đương trên R.b) Mô tả lớp tương đương của một phần tử a bắt kì, từ đó mô tả tập thương R /R.

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Trên tập số thực R ,xét quan hệ xRỵ khi và chỉ khi x ^ 2 = y ^ 2 a) Chứng minh rằng R là một quan hệ tương đương trên R.

b) Mô tả lớp tương đương của một phần tử a bắt kì, từ đó mô tả tập thương R /R.