Question

from n numbers p numbers are same r number are same q numbers are same prove total numbers of permutation are n!/p!.q!.r!​

Answer 1

Answer:

Fitting the mirror image of natural number in the plane mirrors are placed at the image 1234 us and -3 -4 we get new numbers the numbers are called negative integers is negative people includes in collection of whole numbers gives us a new collection of numbersuding collection of whole numbers gives us a new collection of numbers