Combinación con repetición y sin repetición

Complete explanation of combinations by solving one exercise without repetition and another with repetition: From the 10 students in a classroom, I must select 4 to take to lunch... An ice cream shop offers different flavors to choose from. How many combinations... Complete course on Combinations, Permutations, and Variations:    • Combinaciones, Permutaciones y Variaciones...   _________________________________________________________________ If you want to help me grow the channel, you can: Subscribe: https://www.youtube.com/matematicaspr... Contribute to the channel with a donation: https://www.paypal.me/profeAlex Become a channel member: https://www.youtube.com/matematicaspr... _________________________________________________________________ Visit my website: https://www.MatematicasProfeAlex.com Follow me on My social media: Facebook:   / matematicasprofealex   Instagram:   / matematicasprofealex   Business and press inquiries only: [email protected] 0:00 Greeting 0:22 Concepts you should know 1:15 Solution to example 8:21 Solution to example 2 14:08 Practice exercise