There are 3 copies each of 4 different books. The number of ways in which they can be arranged i...
Channel:
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=ZQEmMNkEJKU
There are 3 copies each of 4 different books. The number of ways in which they can be arranged in a shelf is
(A) \( \frac{12 !}{(3 ! 4} \)
(B) \( \frac{21 !}{(3 !)^{4} 4 !} \)
(C) \( \frac{12 !}{(4 !)^{3}} \)
(D) \( \frac{12 !}{(4 !)^{3} 3 !} \)
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live