Combinación con repetición y sin repetición

Complete explanation of the combination by solving an exercise without repetition and another with repetition: Of the 10 students in a class, I must select 4 to take to lunch... At an ice cream shop, they offer 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 keep the channel growing, 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... _________________________________________________________________ Download my MathAlex app: http://onelink.to/vmcu3e Visit my page Website: https://www.MatematicasProfeAlex.com Follow me on my social media: Facebook:   / matematicasprofealex   Instagram:   / matematicasprofealex   Contact: Business only, press: [email protected] 0:00 Greetings 0:22 Concepts you should know 1:15 Solution to example 8:21 Solution to example 2 14:08 Practice exercise