Consider a popular ramen stall. Before the shop opens, there are 20people waiting in front of the restaurant (a) How many ways are there to form a single line from these 20 people?(b) How many ways are there to form two equal lines(order matters) from 20people? (The two lines are indistinguishable).(c) How many ways are there to form two indistinguishable lines from 20 people?Each line may contain from 0 to 20 people but the total must add up to 20and the order of people in each line matters

Consider a popular ramen stall. Before the shop opens, there are 20people waiting in front of the restaurant (a) How many ways are there to form a single line from these 20 people?(b) How many ways are there to form two equal lines(order matters) from 20people? (The two lines are indistinguishable).(c) How many ways are there to form two indistinguishable lines from 20 people?Each line may contain from 0 to 20 people but the total must add up to 20and the order of people in each line matters

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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