Question: Hello I am having trouble with a discrete math problem. Let R be a relation on real numbers defined by xRy if and only if

Hello I am having trouble with a discrete math problem.

Let R be a relation on real numbers defined by xRy if and only if x^2 y^2 = x y. Where R is an equivalent relation.

Question:

Find the class of equivalence of x R(element of real numbers). How many elements are there in this class?

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