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If (f:{1,2,3,4,5}\to{0,1}) is given by (f(x)=0) when (x) is even and (f(x)=1) when (x) is odd, what is (f^{-1}({0}))?यदि (f:{1,2,3,4,5}\to{0,1}) को (f(x)=0) जब (x) सम हो और (f(x)=1) जब (x) विषम हो, तो (f^{-1}({0})) क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ({2,4})({2,4})
The value (0) is produced by even inputs, namely (2) and (4). A preimage contains elements of the domain, not of the codomain.(0) वे इनपुट देते हैं जो सम हैं, यानी (2) और (4)। पूर्वछवि में डोमेन के अवयव आते हैं, सहप्रांत के नहीं।
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