Let \(f(x) = x^{2},x \in R\). For any \(A \subseteq R\), define \(g(A) = \{ x \in R:f(x) \in A\}\...
Let \(f(x) = x^{2},x \in R\). For any \(A \subseteq R\), define \(g(A) = \{ x \in R:f(x) \in A\}\...
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