यदि \(f=\{(a,1),(b,1),(c,2)\}\) है, तो कौन सा कथन सही है?
If \(f=\{(a,1),(b,1),(c,2)\}\), which statement is correct?
Explanation opens after your attempt
B. यह फलन है और यह अनेक-से-एक हो सकता हैIt is a function and it can be many-one
Concept
Different first elements may have the same image, so a many-one function is valid. The common mistake is treating the same image as an error.
Why this answer is correct
The correct answer is B. यह फलन है और यह अनेक-से-एक हो सकता है / It is a function and it can be many-one. Different first elements may have the same image, so a many-one function is valid. The common mistake is treating the same image as an error.
Exam Tip
अलग प्रथम अवयवों की समान छवि हो सकती है, इसलिए अनेक-से-एक फलन मान्य है। गलती यह है कि समान छवि को दोष मान लिया जाता है।
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