Question

a Find n, if
12x(n-1)P3 = 5 x (n+1)P3
​

Answer 1

Answer:

12n-12=5n+5

7n= 17

n= 17/7

Answer 2

Answer:

not defined since not integer(17/7)

Step-by-step explanation:

12(n-1)=5(n+1)

please mark brainleist