यदि \(R=\{(x,y):y=x^2,\ x\in{-2,-1,0,1}\}\) और codomain \(B=\{0,1,4\}\) है, तो (R) के बारे में सही कथन क्या है?
If \(R=\{(x,y):y=x^2,\ x\in{-2,-1,0,1}\}\) and codomain is \(B=\{0,1,4\}\), which statement about (R) is correct?
Explanation opens after your attempt
A. (R) फलन है(R) is a function
Concept
A function needs exactly one output for each input; different inputs may have the same output. Common mistake: do not treat same image as a violation of function rule.
Why this answer is correct
The correct answer is A. (R) फलन है / (R) is a function. A function needs exactly one output for each input; different inputs may have the same output. Common mistake: do not treat same image as a violation of function rule.
Exam Tip
एक input की ठीक एक output होना जरूरी है; अलग inputs की same output हो सकती है। common mistake: same image को function rule का violation न मानें।
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