Discrete Mathematics with Graph Theory (Classic Version) (3rd Edition) (Pearson Modern Classics for Advanced Mathematics Series)
3rd Edition
ISBN: 9780134689555
Author: Edgar Goodaire, Michael Parmenter
Publisher: PEARSON
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Chapter 7.6, Problem 10E
(a)
To determine
To Prove: The
(b)
To determine
To Prove: The
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(^)
k
Recall that for numbers 0 ≤ k ≤ n the binomial coefficient (^) is defined as
n!
k! (n−k)!
Question 1.
(1) Prove the following identity: (22) + (1121) = (n+1).
(2) Use the identity above to prove the binomial theorem by induction. That
is, prove that for any a, b = R,
n
(a + b)" = Σ (^)
an-
n-kyk.
k=0
n
Recall that Σ0 x is short hand notation for the expression x0+x1+
+xn-
(3) Fix x = R, x > 0. Prove Bernoulli's inequality: (1+x)" ≥1+nx, by using
the binomial theorem.
-
Question 2. Prove that ||x| - |y|| ≤ |x − y| for any real numbers x, y.
Question 3. Assume (In) nEN is a sequence which is unbounded above. That is,
the set {xn|nЄN} is unbounded above. Prove that there are natural numbers
N] k for all k Є N.
be natural numbers (nk Є N). Prove that
Question content area top
Part 1
Find the measure of
ABC
for the congruent triangles ABC and
Upper A prime Upper B prime Upper C primeA′B′C′.
79 degrees79°
1533
2930
Part 1
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ABCequals=enter your response heredegrees
Joy is making Christmas gifts. She has 6 1/12 feet of yarn and will need 4 1/4 to complete our project. How much yarn will she have left over compute this solution in two different ways 
Chapter 7 Solutions
Discrete Mathematics with Graph Theory (Classic Version) (3rd Edition) (Pearson Modern Classics for Advanced Mathematics Series)
Ch. 7.1 - True/False Questions 5!=120Ch. 7.1 - Prob. 2TFQCh. 7.1 - Prob. 3TFQCh. 7.1 - Prob. 4TFQCh. 7.1 - Prob. 5TFQCh. 7.1 - Prob. 6TFQCh. 7.1 - True/False Questions
7. An r-permutation of n...Ch. 7.1 - Prob. 8TFQCh. 7.1 - Prob. 9TFQCh. 7.1 - True/False Questions There are 4!=24 ways in which...
Ch. 7.1 - The answers to exercises marked [BB] can be found...Ch. 7.1 - The answers to exercises marked [BB] can be found...Ch. 7.1 - The answers to exercises marked [BB] can be found...Ch. 7.1 - The answers to exercises marked [BB] can be found...Ch. 7.1 - The answers to exercises marked [BB] can be found...Ch. 7.1 - The answers to exercises marked [BB] can be found...Ch. 7.1 - In how many ways can ten boys and four girls sit...Ch. 7.1 - Prob. 8ECh. 7.1 - Prob. 9ECh. 7.1 - Prob. 10ECh. 7.1 - The answers to exercises marked [BB] can be found...Ch. 7.1 - [BB] In how many ways can two couples, the...Ch. 7.1 - Repeat Exercise 12, assuming, in each part, that a...Ch. 7.1 - Prob. 14ECh. 7.1 - Prob. 15ECh. 7.1 - Prob. 16ECh. 7.1 - 17. (a) In how many numbers with seven distinct...Ch. 7.1 - Prob. 18ECh. 7.2 - True/False Questions
Ch. 7.2 - Prob. 2TFQCh. 7.2 - Prob. 3TFQCh. 7.2 - Prob. 4TFQCh. 7.2 - Prob. 5TFQCh. 7.2 - Prob. 6TFQCh. 7.2 - Prob. 7TFQCh. 7.2 - Prob. 8TFQCh. 7.2 - Prob. 9TFQCh. 7.2 - Prob. 1ECh. 7.2 - The answers to exercises marked [BB] can be found...Ch. 7.2 - Prob. 3ECh. 7.2 - The answers to exercises marked [BB] can be found...Ch. 7.2 - [BB] In how many ways can Tom, Billie, and Peter...Ch. 7.2 - The answers to exercises marked [BB] can be found...Ch. 7.2 - 7. In a popular lottery known as Lotto 6/49, a...Ch. 7.2 - Prob. 8ECh. 7.2 - The answers to exercises marked [BB] can be found...Ch. 7.2 - The answers to exercises marked [BB] can be found...Ch. 7.2 - Prob. 11ECh. 7.2 - Prob. 12ECh. 7.2 - Prob. 13ECh. 7.2 - Prob. 14ECh. 7.2 - The answers to exercises marked [BB] can be found...Ch. 7.2 - 16. The head of the Department of Mathematical...Ch. 7.2 - The answers to exercises marked [BB] can be found...Ch. 7.2 - Prob. 18ECh. 7.2 - Prob. 19ECh. 7.2 - Prob. 20ECh. 7.2 - Prob. 21ECh. 7.2 - The answers to exercises marked [BB] can be found...Ch. 7.2 - Prob. 23ECh. 7.2 - Prob. 24ECh. 7.2 - Prob. 25ECh. 7.2 - Prob. 26ECh. 7.3 - Prob. 1TFQCh. 7.3 - Prob. 2TFQCh. 7.3 - Prob. 3TFQCh. 7.3 - Prob. 4TFQCh. 7.3 - Prob. 5TFQCh. 7.3 - Prob. 6TFQCh. 7.3 - Prob. 7TFQCh. 7.3 - Prob. 8TFQCh. 7.3 - Prob. 9TFQCh. 7.3 - Prob. 10TFQCh. 7.3 - Prob. 1ECh. 7.3 - Prob. 2ECh. 7.3 - Prob. 3ECh. 7.3 - Prob. 4ECh. 7.3 - [BB] A fair coin is tossed six times. Find the...Ch. 7.3 - Prob. 6ECh. 7.3 - The next two exercises refer to Lotto 6/49, a...Ch. 7.3 - 8. In Lotto 6/49, find the probability of...Ch. 7.3 - 9. [BB] A basket contains five red balls, four...Ch. 7.3 - Prob. 10ECh. 7.3 - [BB] Repeat Exercise 9 assuming the first ball...Ch. 7.3 - 12. Repeat Exercise 10 assuming the two balls are...Ch. 7.3 - Prob. 13ECh. 7.3 - Prob. 14ECh. 7.3 - Prob. 15ECh. 7.3 - Prob. 16ECh. 7.3 - Find the probability that an integer selected at...Ch. 7.3 - Prob. 18ECh. 7.3 - Prob. 19ECh. 7.3 - Prob. 20ECh. 7.3 - Prob. 21ECh. 7.3 - Prob. 22ECh. 7.3 - Prob. 23ECh. 7.3 - Prob. 24ECh. 7.3 - (See Exercise 11 of Section 7.1), find the...Ch. 7.3 - Prob. 26ECh. 7.3 - Prob. 27ECh. 7.3 - Prob. 28ECh. 7.3 - Prob. 29ECh. 7.3 - Prob. 30ECh. 7.3 - Prob. 31ECh. 7.3 - Prob. 32ECh. 7.4 - Prob. 1TFQCh. 7.4 - Prob. 2TFQCh. 7.4 - Prob. 3TFQCh. 7.4 - Prob. 4TFQCh. 7.4 - Prob. 5TFQCh. 7.4 - Prob. 6TFQCh. 7.4 - Prob. 7TFQCh. 7.4 - Prob. 8TFQCh. 7.4 - Prob. 9TFQCh. 7.4 - Prob. 10TFQCh. 7.4 - Prob. 1ECh. 7.4 - 2. If the die in Exercise 1 is tossed twice, find...Ch. 7.4 - Prob. 3ECh. 7.4 - Prob. 4ECh. 7.4 - Prob. 5ECh. 7.4 - Prob. 6ECh. 7.4 - [BB] A coin has P(H)=14. If it is tossed six times...Ch. 7.4 - The answers to exercises marked [BB] can be found...Ch. 7.4 - Prob. 9ECh. 7.4 - Prob. 10ECh. 7.4 - Prob. 11ECh. 7.4 - Prob. 12ECh. 7.4 - Prob. 13ECh. 7.4 - Prob. 14ECh. 7.4 - 15. A fair coin is tossed n times. Let A be the...Ch. 7.4 - Prob. 16ECh. 7.4 - Prob. 17ECh. 7.4 - Prob. 18ECh. 7.4 - Prob. 19ECh. 7.4 - Prob. 20ECh. 7.4 - Prob. 21ECh. 7.4 - 22. (a) Find the probability that everyone in a...Ch. 7.4 - Prob. 23ECh. 7.4 - Prob. 24ECh. 7.4 - [BB] Given 70P20=.3,40P50=.5, and 10P40=.9, find...Ch. 7.4 - [BB] The probability that two persons aged 20 and...Ch. 7.4 - Prob. 27ECh. 7.4 - Prob. 28ECh. 7.4 - 29. [BB] Consumers in the town of Trout River have...Ch. 7.4 - Prob. 30ECh. 7.4 - 31. A new three- screen cinema has just opened in...Ch. 7.5 - Prob. 1TFQCh. 7.5 - (Answers can be found in the back of the book.)
2....Ch. 7.5 - (Answers can be found in the back of the book.)...Ch. 7.5 - Prob. 4TFQCh. 7.5 - Prob. 5TFQCh. 7.5 - Prob. 6TFQCh. 7.5 - Prob. 7TFQCh. 7.5 - Prob. 8TFQCh. 7.5 - Prob. 9TFQCh. 7.5 - Prob. 10TFQCh. 7.5 - The answers to exercises marked [BB] can be found...Ch. 7.5 - Prob. 2ECh. 7.5 - Prob. 3ECh. 7.5 - Prob. 4ECh. 7.5 - Prob. 5ECh. 7.5 - 6. Twenty varieties of chocolates are available...Ch. 7.5 - Prob. 7ECh. 7.5 - The answers to exercises marked [BB] can be found...Ch. 7.5 - The answers to exercises marked [BB] can be found...Ch. 7.5 - Prob. 10ECh. 7.5 - 11. (a) [BB] In how many ways can ten red balls,...Ch. 7.5 - The answers to exercises marked [BB] can be found...Ch. 7.5 - Prob. 13ECh. 7.5 - Find the number of arrangements of the letters of...Ch. 7.5 - Prob. 15ECh. 7.5 - Prob. 16ECh. 7.5 - Show that there is a one-to-one correspondence...Ch. 7.5 - The answers to exercises marked [BB] can be found...Ch. 7.5 - Prob. 19ECh. 7.6 - (Answers can be found in the back of the book.)
1....Ch. 7.6 - Prob. 2TFQCh. 7.6 - Prob. 3TFQCh. 7.6 - Prob. 4TFQCh. 7.6 - Prob. 5TFQCh. 7.6 - Prob. 6TFQCh. 7.6 - (Answers can be found in the back of the book.)
7....Ch. 7.6 - Prob. 8TFQCh. 7.6 - Prob. 9TFQCh. 7.6 - Prob. 10TFQCh. 7.6 - Prob. 1ECh. 7.6 - Prob. 2ECh. 7.6 - Prob. 3ECh. 7.6 - Prob. 4ECh. 7.6 - Prob. 5ECh. 7.6 - Prob. 6ECh. 7.6 - [BB] In how many ways can the integers 1 through 9...Ch. 7.6 - Without any calculation, prove that...Ch. 7.6 - Prob. 9ECh. 7.6 - Prob. 10ECh. 7.6 - Prob. 11ECh. 7.6 - Prob. 12ECh. 7.7 - (Answers can be found in the back of the book.)
1....Ch. 7.7 - Prob. 2TFQCh. 7.7 - Prob. 3TFQCh. 7.7 - Prob. 4TFQCh. 7.7 - Prob. 5TFQCh. 7.7 - Prob. 6TFQCh. 7.7 - Prob. 7TFQCh. 7.7 - Prob. 8TFQCh. 7.7 - Prob. 9TFQCh. 7.7 - Prob. 10TFQCh. 7.7 - Prob. 1ECh. 7.7 - The answers to exercises marked [BB] can be found...Ch. 7.7 - Prob. 3ECh. 7.7 - Prob. 4ECh. 7.7 - Prob. 5ECh. 7.7 - Prob. 6ECh. 7.7 - Prob. 7ECh. 7.7 - Prob. 8ECh. 7.7 - Prob. 9ECh. 7.7 - Prob. 10ECh. 7.7 - Prob. 11ECh. 7.7 - Prob. 12ECh. 7.7 - Prob. 13ECh. 7.7 - Sequences of integers, {xn},{yn},n0, are defined...Ch. 7.7 - Prob. 15ECh. 7.7 - The answers to exercises marked [BB] can be found...Ch. 7.7 - Prob. 17ECh. 7.7 - 18. Prove the Binominal Theorem by mathematical...Ch. 7.7 - Prob. 19ECh. 7.7 - Prob. 20ECh. 7.7 - Prob. 21ECh. 7.7 - Prob. 22ECh. 7.7 - Prob. 23ECh. 7.7 - 24. There are n books in a line on a shelf and...Ch. 7.7 - Prob. 25ECh. 7 - Prove that 2nP(2n,n) for all integers n1.Ch. 7 - In how many ways can seven boys and six girls...Ch. 7 - Do Exercise 2 again with circle instead of row.Ch. 7 - How many permutations of the letters a, b, c, d,...Ch. 7 - 5. (a) In how many permutations of the 26...Ch. 7 - 6. Find an expression for the number of five-card...Ch. 7 - A committee of seven is to be chosen from eight...Ch. 7 - In how many ways can 12 people from four groups of...Ch. 7 - A car manufacturer is forced to admit that the...Ch. 7 - 10. Ten students find themselves in an...Ch. 7 - 11. For Christmas, Gail wants to buy each of her...Ch. 7 - 12. A Middle East peace conference will be...Ch. 7 - Prob. 13RECh. 7 - Frank wants to buy 12 muffins and finds seven...Ch. 7 - Twelve ships enter the St. Johns harbor one after...Ch. 7 - 16. A candy merchant carries bubble gum balls in...Ch. 7 - 17. In how many ways can the letters of the word...Ch. 7 - 18. In how many ways can five rings be put onto...Ch. 7 - Find the coefficient of x6 in (16x212x)12....Ch. 7 - Find the coefficient of x6 in (16x212x)12....Ch. 7 - 21. Prove that for any .
Ch. 7 - Give a verbal argument for the truth of the...Ch. 7 - 23. Find a simple expression for .
Ch. 7 - Show that (2nn) is even for all n1.Ch. 7 - On the day before midterm break, 20 of the 32...Ch. 7 - 26. A fair coin is tossed n times. Prove that...
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