Kenneth S. answered • 04/08/18

Tutor

4.8
(62)
Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018

Obtain a reputable College Algebra or High School Algebra II textbook that addresses Combinatorics, i.e. Permutations, Combinations, Prolbability, etc.

If there are four people (2 modern-day 'couples'), then the number of Combinations from four persons taken two at a time is written as 4C2. By formula, this equals 6: 4! / [2!2!]

*In your reading, you will encounter the definition of Factorials.*