Question: Math with Factorials

Comment on Math with Factorials

deepak manohar - October 13, 2017
We can also write the fraction as follows:

25!/23! = 25*24*23!/23! after cancelling 23! from numerator and denominator we get 25*24 = 600.
greenlight-admin's picture

greenlight-admin - October 14, 2017

That's a perfectly valid approach.
Nice work!

Cheers,
Brent

Richard Amponsa... - August 24, 2018
nice one

Have a question about this video?

Post your question in the Comment section below, and a GRE expert will answer it as fast as humanly possible.

Change Playback Speed

You have the option of watching the videos at various speeds (25% faster, 50% faster, etc). To change the playback speed, click the settings icon on the right side of the video status bar.

Let me Know

Have a suggestion to make the course even better? Email us today!

© 2014 - 2024 Isla Verde Education Inc.

GRE® is a registered trademark of Educational Testing Service (ETS).
This product is not endorsed or approved by ETS.

Free “Question of the Day” emails!