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Question 25 Assume we have 20 different covers that can be used for an i-phone, a Sumsung and a Nokia mobiles. How many different ways to cover these mobiles: P(20, 3) C(20, 3) 20+20+20 20*20*20

Question 25 Assume we have 20 different covers that can be used for an i-phone, a Sumsung and a Nokia mobiles. How many different ways to cover these mobiles: P(20, 3) C(20, 3) 20+20+20 20*20*20

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.5: The Binomial Theorem
Problem 14E
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Please Answer the following questions, Discrete mathematics 

Question 25 Assume we have 20 different covers that can be used for an i-phone, a Sumsung and a Nokia mobiles. How many different ways to cover these mobiles: P(20, 3) O (20, 3) 20+20+20 20*20*20
Transcribed Image Text:Question 25 Assume we have 20 different covers that can be used for an i-phone, a Sumsung and a Nokia mobiles. How many different ways to cover these mobiles: P(20, 3) O (20, 3) 20+20+20 20*20*20
Question 24 Consider a recursively defined set S such that 4 is an element of S (x + y) is an element of S if both x and y are elements of S. S is equal to the Set of negative multiples of 4 Set of even numbers Set of positive multiples of 4 Set of multiples of 3
Transcribed Image Text:Question 24 Consider a recursively defined set S such that 4 is an element of S (x + y) is an element of S if both x and y are elements of S. S is equal to the Set of negative multiples of 4 Set of even numbers Set of positive multiples of 4 Set of multiples of 3
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