PracticeMedium
Q.The number of ways of arranging 9 people in a row such that 3 particular persons are always together and 2 other particular persons are never together is
a
7! × 3! - 6! × 2!
b
3! × 7! - 2 × 6!
c
3! × 7! - 2! × 6!
d
3! × 6! - 2 × 5!
Correct Answer: Option B
The correct solution involves applying the fundamental concept to derive the final value step by step...