Which of the following is equal to (x+1)!/x!?
A. x-1
B. 1+(1/x)
C. 1
D. x+1
E. x
* A solution will be posted in two days.
5-Day Free Trial
5-day free, full-access trial TTP
Available with Beat the GMAT members only code
MORE DETAILS
Which of the following is equal to (x+1)!/x!? A. x-1 B. 1+
This topic has expert replies
-
Max@Math Revolution
- Elite Legendary Member
- Posts: 3991
- Joined: Fri Jul 24, 2015 2:28 am
- Location: Las Vegas, USA
- Thanked: 19 times
- Followed by:37 members
Math Revolution
The World's Most "Complete" GMAT Math Course!
Score an excellent Q49-51 just like 70% of our students.
[Free] Full on-demand course (7 days) - 100 hours of video lessons, 490 lesson topics, and 2,000 questions.
[Course] Starting $79 for on-demand and $60 for tutoring per hour and $390 only for Live Online.
Email to : [email protected]
GMAT/MBA Expert
-
Brent@GMATPrepNow
- GMAT Instructor
- Posts: 16207
- Joined: Mon Dec 08, 2008 6:26 pm
- Location: Vancouver, BC
- Thanked: 5254 times
- Followed by:1268 members
- GMAT Score:770
(x+1)!/x! = (x+1)(x)(x-1)(x-2)...(2)(1)/(x)(x-1)(x-2)...(2)(1)Max@Math Revolution wrote:Which of the following is equal to (x+1)!/x!?
A. x-1
B. 1+(1/x)
C. 1
D. x+1
E. x
= x + 1
= D
Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
