Math Lessons & Study Tips : How to Simplify Factorials

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Uploaded by on Jan 23, 2009

A factorial, such as four factorial, means that the result is four times three times two times one. Find out how to simplify factorials when they're used in fractions with help from a tutor in this free video on math lessons and study tips.

Expert: Brian Leaf
Contact: www.brianleaf.com
Bio: Brian Leaf, MA, is the author of McGraw-Hill's Top 50 Skills for SAT/ACT Success series and has instructed SAT, ACT, GED and SSAT preparation to thousands of students.
Filmmaker: David Pakman

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  • thanks its new way

  • Thnks!

  • Very easy to understand,thanks!

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