1 The Foundations: Logic And Proofs 2 Basic Structures: Sets, Functions, Sequences, Sums, And Matrices 3 Algorithms 4 Number Theory And Cryptography 5 Induction And Recursion 6 Counting 7 Discrete Probability 8 Advanced Counting Techniques 9 Relations 10 Graphs 11 Trees 12 Boolean Algebra 13 Modeling Computation A Appendices expand_more
5.1 Mathematical Induction 5.2 Strong Induction And Well-ordering 5.3 Recursive Definitions And Structural Induction 5.4 Recursive Algorithms 5.5 Program Correctness Chapter Questions expand_more
Problem 1E: re are infinite]y many stations on a train route. Suppose that the train stops at the first station... Problem 2E: pose that you know that a golfer plays theho1e of a golf course with an infinite number of holes and... Problem 3E: P(n) be the statement that12+22++n2=n(n+1)(2n1)/6for the positive integern. a)What is the... Problem 4E: P(n) be the statementthat 13+ 23+ ... + n3= (n(n+1)/2)2 for the positive integern. What is the... Problem 5E: ve that12+32+52+...+(2n+1)2=(n+1)(2n+1)(2n+3)/3whenevernis a nonnegative Problem 6E: ve that1.1!+2.2!+...n.n!=(n+1)!1whenevernis a positive integer. Problem 7E: ve that3+3.5+3.52+...+3.5n=3(5n+11)/4whenevernis a nonnegative integer. Problem 8E: ve that22.7+2.72...+2(7)n=(1(7)n+1)/4whenevernis a nonnegative integer. Problem 9E: a)Find a formula for the sum of the firstneven positive integers. b)Prove the formula that you... Problem 10E: a) Find a formula for 112+123++1m(n+1) by examining the values of this expression for small values... Problem 11E: a) Find a formula for 12+14+18+...+12n by examining the values of this expression for small values... Problem 12E: ve that j=0n(12)=2n+1+(1)n32n whenevernis a nonnegative integer. Problem 13E: ve that1222+32...+(1)n1n2=(1)n1n(n+1)/2whenevernis a positive integer. Problem 14E: ve that for every positive integerk=1nk22=(n1)2n+1+2. Problem 15E: ve that for every positive integern, 12+3++n(n+1)=n(n+1)(n+2)/3. Problem 16E: ve that for every positive integern, 123+234++n(n+1)(n+2)=n(n+1)(n+2)(n+3)/4 Problem 17E: ve thatj=1nj4=n(n+1)(2n+1)(3n2+3n1)/30whenevernis a positive integer. Use mathemaca1 induction to... Problem 18E: P(n) be the statement thatn!< nn, where n is an integer greater than 1. What is the statement P(2)?... Problem 19E: P(n)be tie statement that 1+14+19+...+1n221n, wherenis an integer greater than l. What is the... Problem 20E: ve that3nn!if n is an integer greater than6. Problem 21E: ve that2nn2ifnis an integer greater than 4. Problem 22E Problem 23E: which nonnegative integersnis2n+32n?Prove your answer. Problem 24E: ve that1/(2n)[1.3.5..(2n1)]/(2.4....2n)whenevernis a positive integer. Problem 25E: ve that ifhi,then1+nh(1+h)nfor all nonnegative integersn. This is called Bernoulli’s inequality. Problem 26E: pose that a and b are real numbers with o< b< a. Prove that if n is a positive integer,... Problem 27E: ve that for every positive integern, 1+12+13+...+1n2(n+11). Problem 28E: ve thatn27n+12is nonnegative whenevernis an integer withn3. Problem 29E Problem 30E: ve that H1+H2+...+Hn=(n+1)Hnn Problem 31E: mathematical induction in Exercises 31-37 to prove divisibility facts. 31.Prove that 2... Problem 32E: mathematical induction in Exercises 31-37 to prove divisibility facts. 32.Prove that 3... Problem 33E: mathematical induction in Exercises 31-37 to prove divisibility facts. 33.Prove that... Problem 34E: mathematical induction in Exercises 31-37 to prove divisibility facts. 34.Prove that 6... Problem 35E: mathematical induction in Exercises 31-37 to prove divisibility facts. *35.Prove thatn21is divisible... Problem 36E: mathematical induction in Exercises 31-37 to prove divisibility facts. *36.Prove that 21... Problem 37E Problem 38E Problem 39E Problem 40E: mathematical induction in Exercises 38-46 to prove results about sets. 40.Prove that ifA1,A2,... Problem 41E: mathematical induction in Exercises 38-46 to prove results about sets. 41.Prove that if Al,A2,... Problem 42E: mathematical induction in Exercises 38-46 to prove results about sets. 42.Prove that... Problem 43E Problem 44E: mathematical induction in Exercises 38-46 to prove results about sets. 44.Prove that ifAl,A2,... Problem 45E: mathematical induction in Exercises 38-46 to prove results about sets. 45. Prove that a set... Problem 46E: mathematical induction in Exercises 38-46 to prove results about sets. *46.Prove that a set with it... Problem 47E: Exercises 47 and 48 we consider the problem of placing towers along a straight road, so that every... Problem 48E: In Exercises 47 and 48 we consider the problem of placing towers along a straight road, so that... Problem 49E: rcises 49-51 present incorrect proofs using mathematical induction. You rill need to identify" an... Problem 50E: Exercises 49-51 present incorrect proofs using mathematical induction. You rill need... Problem 51E: rcises 49-51 present incorrect proofs using mathematical induction. You rill need to identify an... Problem 52E: pose thatmandnare positive integers withm >nandfis a function from {1, 2,.,m} to {1, 2, ..,,n}, Us... Problem 53E Problem 54E: mathematical induction to show that given a set ofn+1 positive integers, none exceeding2n, there is... Problem 55E Problem 56E Problem 57E: 57.(Requires calculus) use mathematical induction to prove that the derivative... Problem 58E: pose that A and B are square matrices with the propertyAB:BA. Show thatABn:BAnfor every positive... Problem 59E Problem 60E Problem 61E Problem 62E: w that n lines separate the plane into (n2+n+ 2)/ 2 regions if no two of these lines are parallel... Problem 63E: A=(a1+a2+...+an)/nG= and the geometric mean of these numbers is defined by (a1,a2...an)1/n Use... Problem 64E Problem 65E Problem 66E Problem 67E Problem 68E Problem 69E: pose there arenpeople in a group, each aware of a scandal no one else in the group knows about.... Problem 70E: pose there arenpeople in a group, each aware of a scandal no one else in the group knows about.... Problem 71E Problem 72E: pose there arenpeople in a group, each aware of a scandal no one else in the group knows about.... Problem 73E Problem 74E: etimes ire cannot use mathematical induction to prove a result we believe to be true, but ire can... Problem 75E Problem 76E: etimes we cannot use mathematical induction to prove a result we believe to be true, but we can use... Problem 77E: nbe an even integer. Show that it is people to stand in a yard at mutually distances so that when... Problem 78E Problem 79E: .Construct a ling using right triominoes of the 8 x 8 checkerboard with the square in the upper left... Problem 80E: ve or disprovethatall checkerboards of these shapes can be completely cord using right triominoes... Problem 81E: w that a three-dimensional2n2n2ncheckerboard with one111cube missing can be completely covered... Problem 82E: w that annncheckerboard with on square removed can be completely covered using right it triominoes... Problem 83E: w that acheckerboard with a corner square removed can be tiled using right triominoes. Problem 84E Problem 85E format_list_bulleted