यदि \(A=\{1,2\}\) और \(B=\{a,b,c\}\) हों, तो \(A\times B\) के कितने उपसमुच्चय (A) से (B) में फलन नहीं हैं?
If \(A=\{1,2\}\) and \(B=\{a,b,c\}\), how many subsets of \(A\times B\) are not functions from (A) to (B)?
Explanation opens after your attempt
C. (55)
Concept
There are \(2^6=64\) total subsets and \(3^2=9\) functions. Thus non-function subsets are (64-9=55).
Why this answer is correct
The correct answer is C. (55). There are \(2^6=64\) total subsets and \(3^2=9\) functions. Thus non-function subsets are (64-9=55).
Exam Tip
कुल उपसमुच्चय \(2^6=64\) हैं और फलन \(3^2=9\) हैं। अतः फलन न होने वाले उपसमुच्चय (64-9=55) हैं।
Login to save your score, XP, coins and progress.
