एक संबंध \(R\subseteq A\times B\) में \(A=\{1,2,3\}\) और \(B=\{p,q\}\) है। यदि (R) में ठीक (3) ordered pairs हैं तो (R) फलन कब होगा?
A relation \(R\subseteq A\times B\) has \(A=\{1,2,3\}\) and \(B=\{p,q\}\). If (R) has exactly (3) ordered pairs, when will (R) be a function?
Explanation opens after your attempt
A. जब हर प्रथम घटक (1,2,3) ठीक एक बार आएWhen each first component (1,2,3) appears exactly once
Concept
With exactly (3) pairs, a function needs one image for each of the three elements of (A). Repetition of second components is allowed.
Why this answer is correct
The correct answer is A. जब हर प्रथम घटक (1,2,3) ठीक एक बार आए / When each first component (1,2,3) appears exactly once. With exactly (3) pairs, a function needs one image for each of the three elements of (A). Repetition of second components is allowed.
Exam Tip
ठीक (3) युग्मों में फलन बनने के लिए (A) के तीनों अवयवों की एक-एक छवि होनी चाहिए। द्वितीय घटकों का दोहराव मान्य है।
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