Discrete mathematics: sets, relations, combinatorics, graph basics
Engineering Mathematics · Engineering
Study notes
How many ways to choose a committee of 3 from 10 people? C(10,3) = 10!/(3!7!) = (10×9×8)/(3×2×1) = 120 ways. If order mattered (president, VP, secretary): P(10,3) = 10×9×8 = 720.