Home
Class 12
MATHS
Show that the total number of permutatio...

Show that the total number of permutations of n different things takenn not more than r at a time, when each thing may be repated any number of times is `(n(n^(r)-1))/((n-1))`.

Text Solution

Verified by Experts

The correct Answer is:
T
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    ML KHANNA|Exercise SET-4 FILL IN THE BLANKS|13 Videos

  • PERMUTATIONS AND COMBINATIONS

    ML KHANNA|Exercise ASSERTION-REASON|1 Videos

  • PERMUTATIONS AND COMBINATIONS

    ML KHANNA|Exercise SET-4 MCQ|80 Videos

  • PARTIAL FRACTION

    ML KHANNA|Exercise PROBLEM SET-1 (FILL IN THE BLANKS)|8 Videos

  • PROBABILITY

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE|6 Videos

Similar Questions

Explore conceptually related problems

Find the total number of permutations of n different things taken not more than r at a time,when each thing may be repeated any number of xx.

What is the total number of combination of n different things taken 1, 2, 3,...,n at a time ?

Total number of permutations of k different things, in a row, taken not more than r at a time (each thing may be repeated any number of times) is equal to Options: 1.k^r -1 2. k^r 3.(k^r-1)/(k-1) 4.k(k^r-1)/k-1

(i) If the number of permutations of n different thing taken r at a time be denoted by (nPr) Show that,

Find the number of permutations of n different things taken r at a time such that two specific things occur together?