Let A and B be sets having 3 and 4 elements respectively. The number of one-one functions from A to B is: A. 12 B. 24 C. 64 D. 81 Answer: B) 24 Explanation: The number of one-one functions from a set of size m to a set of size n (where m ≤ n) is ⁿPₘ. Here it is ⁴P₃ = 4 × 3 × 2 = 24.

imo class 12 relations and functions

Let A and B be sets having 3 and 4 elements respectively. The number of one-one functions from A to B is:

VAVidaara Admin Asked 6d ago 0 views 0 answers

Let A and B be sets having 3 and 4 elements respectively. The number of one-one functions from A to B is:

Answer: B) 24

Explanation: The number of one-one functions from a set of size m to a set of size n (where m ≤ n) is ⁿPₘ. Here it is ⁴P₃ = 4 × 3 × 2 = 24.