A) \[\frac{15\ !}{5\ !\ {{(3\ !)}^{5}}}\]
B) \[\frac{15\ !}{{{(3\ !)}^{5}}}\]
C) \[^{15}{{C}_{5}}\]
D) \[^{15}{{P}_{5}}\]
Correct Answer: A
Solution :
It is a fundamental concept.
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