यदि \(f:{1,2,3,4,5,6}\to{0,1}\) को (f(n)=0) जब (n) (3) से विभाज्य हो और (f(n)=1) अन्यथा दिया गया है तो (f^{-1}({0})) क्या है?
If \(f:{1,2,3,4,5,6}\to{0,1}\) is given by (f(n)=0) when (n) is divisible by (3) and (f(n)=1) otherwise, what is (f^{-1}({0}))?
Explanation opens after your attempt
Correct Answer
B. ({3,6})
Concept
The value zero is produced by inputs divisible by (3). Hence the preimage is ({3,6}).
Why this answer is correct
The correct answer is B. ({3,6}). The value zero is produced by inputs divisible by (3). Hence the preimage is ({3,6}).
Exam Tip
शून्य वे इनपुट देते हैं जो (3) से विभाज्य हैं। इसलिए पूर्वछवि ({3,6}) है।
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