1. Lesson 2

1.12. Explore 8

Mathematics 30-1 Module 8

Module 8: Permutations, Combinations, and the Binomial Theorem

 

Watch “Solving Permutations 1” and “Solving Permutations 2” about how to solve nP2 = 6 and 8Pr = 56. Notice that in “Solving Permutations 2” the variable is in the denominator. Remember that when there is a variable in the denominator, non-permissible values are introduced.

 

 
This play button opens Solving Permutations 1.
 

This play button opens Solving Permutations 2.

 

You will now practise solving permutation equations where either n or r are not known.

 

Self-Check 6


textbook

Complete questions 7.a., 7.d., 22, and 23 from “Check Your Understanding” on pages 525 and 526 of the textbook. Answer