Solution Found!
Give a combinatorial explanation of the identity
Chapter 1, Problem 7STE(choose chapter or problem)
QUESTION:
Give a combinatorial explanation of the identity
\(\left(\begin{array}{l} n \\ r \end{array}\right)=\left(\begin{array}{c} n \\ n-r \end{array}\right) \)
Questions & Answers
QUESTION:
Give a combinatorial explanation of the identity
\(\left(\begin{array}{l} n \\ r \end{array}\right)=\left(\begin{array}{c} n \\ n-r \end{array}\right) \)
ANSWER:Step 1 of 2
Here we have to give a combinatorial explanation of the identity