Let denote the total number of one-one functions from a set with elements to a set…

MATHEMATICS · Single correct · CBSE · Mathematics · Permutations and Combinations · Permutations and Combinations

Problem

Let

x

denote the total number of one-one functions from a set

A

with

3

elements to a set

B

with

5

elements, and

y

denote the total number of one-one functions from the set

A

to the set

A\times B

. Then (a)

y=273x

(b)

2y=91x

(c)

y=91x

(d)

2y=273x