Question: I need help with this problem in Real Analysis please, and please please make it legible. I often have a very hard time reading handwriting.

I need help with this problem in Real Analysis please, and please please make it legible. I often have a very hard time reading handwriting.

Exercise 1.3.1. Let ~ be the relation on N x N defined by (a, b) ~ (c, d) if and only if ad = cb, for all (a, b), (c, d) E N X N, where n is an abbreviation for n . n. (1) Prove that ~ is an equivalence relation

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