Question
Evaluate each expression.$$\left(\begin{array}{l}9 \\7\end{array}\right)$$
Step 1
To evaluate this expression, we can use the formula for combinations: $$ \left(\begin{array}{l} n \\ r \end{array}\right) = \frac{n!}{r!(n-r)!} $$ Show more…
Show all steps
Your feedback will help us improve your experience
John Vanschoick and 96 other educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Evaluate each expression. $$ \frac{9 !}{7 !} $$
Sequences and Series
The Binomial Theorem
evaluate each expression. $$ \left(\begin{array}{l}{9} \\ {7}\end{array}\right) $$
Sequences; Induction; the Binomial Theorem
Evaluate each expression. $$ \left(\begin{array}{l}{9} \\ {7}\end{array}\right) $$
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD