Question

The number of ways in which n identical items
can be divided into r groups so that no group
contains less than m items and more than k(m<k). is Coefficient of x^n in the expansion of
(x^m+x^m+1+...+x^k)r
The number of ways of
distributing 5 identical balls into three boxes
so that no box is empty (each box being large
enough to accommodate all balls).is
5.
15
3​

Answer 1

Step-by-step explanation:

how many balls each of other of radius 1 cm. can be made from a solid sphere of lead of radius 8 cm.

Answer 2

Answer:

कृपया हिंदी में लिखो खचपझशवलटधजपझपधचधछजशपझ