9. If (n+1)! = 90 x (n-1)!, then n is equal to.
(a) 9 (b) 8 C (c) 7
(d) 6
Answers
Answered by
1
please follow me
Sorry for bad cameras and hand writing and presentation
PLEASE THANK ME IF THIS ANSWER IS USEFUL TO YOU
SO THAT I KNOW THAT MY ANSWER IS HELPFUL OR NOT
HOPE THIS HELPS YOU MY FRIEND
Attachments:
Similar questions