Home
Class 12
MATHS
Let X be a set with exactly 5 element...

Let `X` be a set with exactly 5 elements and `Y` be a set with exactly 7 elements. If `alpha` is the number of one-one function from `X` to `Y` and `beta` is the number of onto function from `Y` to `X` , then the value of `1/(5!)(beta-alpha)` is _____.

Text Solution

Verified by Experts

The correct Answer is:
b
NA
Promotional Banner

Topper's Solved these Questions

  • RELATION, FUNCTION & ITF

    RESONANCE|Exercise JEE MAIN|15 Videos

  • RELATION, FUNCTION & ITF

    RESONANCE|Exercise HLP_TYPE|42 Videos

  • RELATION, FUNCTION & ITF

    RESONANCE|Exercise COMPREHENSION_TYPE|6 Videos

  • NUMBER THEORY

    RESONANCE|Exercise Exercise -2 (PART - II)|4 Videos

  • SEQUENCE & SERIES

    RESONANCE|Exercise EXERCISE -2 (PART-II : PREVIOUSLY ASKED QUESTION OF RMO)|3 Videos

Similar Questions

Explore conceptually related problems

If the set A contains 7 elements and the set B contains 10 elements,then the number of one- one functions from A to B is

If a set A contain 7 elements and the set B contain 9 elements, then the number of one-one and onto , mappings from A to B is :

Set A contain 3 elements , set B contain 5 elements , number of one-one function from A to B is "x" and number of one-one functions from A to AxxB is "y" then relation between x and y

Let A be a set of n distinct elements. Then find the total number of distinct functions from A to A? How many of them are onto functions?

The number of one-one functions from a set containing 2 elements to a set containing 3 elements is:

Total number of onto function from a set of n elements to a set of another r elements.

what are the number of onto functions from set A containing m elements to the set B containing n elements