किस संबंध में प्रथम घटकों का समुच्चय \(A=\{1,2,3,4\}\) पूरा है लेकिन फिर भी वह (A) से \(B=\{a,b,c\}\) में फलन नहीं है?
Which relation has the complete set of first components \(A=\{1,2,3,4\}\) but still is not a function from (A) to \(B=\{a,b,c\}\)?
Explanation opens after your attempt
C. ({(1,a),(2,b),(3,c),(4,a),(4,b)})
Concept
In option (C), (4) has two images (a) and (b). Having all first components is not enough; uniqueness is also required.
Why this answer is correct
The correct answer is C. ({(1,a),(2,b),(3,c),(4,a),(4,b)}). In option (C), (4) has two images (a) and (b). Having all first components is not enough; uniqueness is also required.
Exam Tip
विकल्प (C) में (4) की दो छवियां (a) और (b) हैं। केवल सभी प्रथम घटकों का होना काफी नहीं, अद्वितीयता भी चाहिए।
Login to save your score, XP, coins and progress.
