Plz solve this problem ASAP
I'll mark the right answer as BRAINLIEST and spams will be reported
EXPLANATION required
Attachments:
Answers
Answered by
1
Answer:
6
Step-by-step explanation:
p(n, 4)=12 then p(n, 2)
=n! /n-4! =12× n! /n-2!
=n-2! /n-4! =12×n!/n!
=n-2×n-3×n-4!/n-4!=12
=n-2×n-3=12
=n-2×n-3=4×3
On comparing the LHS and RHS
=n-2=4
n=4+2=6
Similar questions