Question

(9) Solve for n if :
(15-n)!/(12-n)!=5!​

Answer 1

Answer:(15−n)!(12−n)!=5!=120  

⟹(15−n)(14−n)(13−n)=120=6∗5∗4

⟹15−n=6⟹n=9

Ans: n=9

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

9