Levels Tought:
University
Teaching Since: | Apr 2017 |
Last Sign in: | 340 Weeks Ago, 4 Days Ago |
Questions Answered: | 9562 |
Tutorials Posted: | 9559 |
bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
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You want to choose a team of m people for your startup company from a pool of n applicants, and from these m people you want to choose k to be the team managers. You took a Math for Computer Science subject, so you know you can do this in
ways. But your CFO, who went to Harvard Business School, comes up with the formula
Before doing the reasonable thing—dump on your CFO or Harvard Business School— you decide to check his answer against yours.
(a) Give a combinatorial proof that your CFO’s formula agrees with yours.
(b) Verify this combinatorial proof by giving an algebraic proof of this same fact.
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