College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 8, Sequences and Series - Section 8.6 - The Binomial Theorem - 8.6 Exercises: 3


$\left(\begin{array}{l} n\\ k \end{array}\right)=\frac{n!}{k!(n-k)!}$ $\left(\begin{array}{l} 4\\ 3 \end{array}\right)=\frac{4!}{3!1!}=4$

Work Step by Step

The binomial coefficients can be calculated directly using the formula ___ $ \left(\begin{array}{l} n\\ k \end{array}\right)=\frac{n!}{k!(n-k)!}$ ___. So ___ $ \left(\begin{array}{l} 4\\ 3 \end{array}\right)=\frac{4!}{3!1!}=4$ ___.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.