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Detailed explanation to know how to differentiate when an exercise is solved by combination, permutation or variation with practical exercises to learn how to observe whether or not the order matters and if you are working with all the elements in a combinatorics exercise, in this case exercises of the type: from a group of 8 students you want to select... Complete Combinatorics Course: • Combinations, Permutations and Variations... _________________________________________________________________ If you want to help me so that the channel continues to grow you can: Subscribe: https://www.youtube.com/matematicaspr... Contribute to the channel with a donation: https://www.paypal.me/profeAlex Become a member of the channel: https://www.youtube.com/matematicaspr... _________________________________________________________________ Download my MathAlex app: http://onelink.to/vmcu3e Visit my website: https://www.MatematicasProfeAlex.com Follow me on my social networks: Facebook: / matematicasprofealex Instagram: / matematicasprofealex Contact Only business, press: [email protected] 0:00 Greeting 0:22 Concepts you should know 4:10 Solution of the example 12:30 Solution of the example 2 17:01 Solution of the example 3 19:30 Practice exercise