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(8 marks) Suppose that bo, bi,b2,... is a sequence defined as follows: bo 1, b 2,...
Discrete Mathematics
3. The sequence bo, bi, b2, is defined as follows: bo 0, bnd for integers n 22, bn- ehne (a) Calculate b2, b3, ba and bs (b) Use part (a) to guess a formula for bn for all integers n 20. c) Prove by induction on n that your guess in part (b) is correct.
3. The sequence bois defined as follows: boo, and for integers n 2 2, bn V1 (a) Calculate ba, ba, b4 and bs. (b) Use part (a) to guess a formula for bn for all integers n 2 0. (c) Prove by induction on n that your guess in part (b) is correct. Reflect in ePerttolio Downloard MacBook Air 80
Let ao 2 bo > 0, and consider the sequences an and bn defined by an + bn n20 (1) Compute an+l-bn+1 1n terms of Van-v/bn. (2) Prove that the sequence an is nonincreasing, that the sequence bn Is nonde- creasing, and that an 2 bn for all n 20 (3) Prove that VanVbn S Cr for all n20, where C> 0 and y>1 (give values of C and γ for which this inequality holds). Conclude that an-bn C,γ-n, where...
: Let a1, a2, a3, . . . be the sequence of integers defined by a1 = 1 and defined for n ≥ 2 by the recurrence relation an = 3an−1 + 1. Using the Principle of Mathematical Induction, prove for all integers n ≥ 1 that an = (3 n − 1) /2 .
PROVE BY INDUCTION
Prove the following statements: (a) If bn is recursively defined by bn = bn-1 + 3 for all integers n > 1 and bo = 2, then bn = 3n + 2 for all n > 0. (b) If an is recursively defined by cn = 3Cn-1 + 1 for all integers n > 1 and Co = 0, then cn = (3” – 1)/2 for all n > 0. (c) If dn is recursively defined by...
Suppose that 20, 21, 22, ... is sequence defined as follows. do = 5,21 = 16,0 integers n > 2. Prove that an = 3.2" +2.5" for all integers n > 0. = 7an-1 – 10an-2 for all
Question 1
result in a grade of zero for the assignment and will bo subject to disciplinary action. Part I: Strong Induction (50 pt.) (40 pt., 20/10 pt. each) Prove each of the following statements using strong induction. For each statement, answer the following questions. a. (4/2 pt.) Complete the basis step of the proof by showing that the base cases are true. b. (4/2 pt.) What is the inductive hypothesis? C. (4/2 pt.) what do you need to show...
Let e-Σ (Application of Cauchy product) for x e R. Exercise 21: n-0 a) Show that bk for all b) Let (bn)neNo be the recursion defined by bo - 1 and bn- k-0 n E N. Show that bn-- Hint: Use a) with e*e*1 and the inverse of a power series found in the lecture.
Let e-Σ (Application of Cauchy product) for x e R. Exercise 21: n-0 a) Show that bk for all b) Let (bn)neNo be the recursion...
Suppose that an is a sequence recursively defined as follows: 5. An = 5. (as) + n = 0 n=1 +3n.n> 2 n=1 Constructive STRONG induction, find a minimal constant CER+ such that (In € N)[a, en
The Fibonacci numbers are defined as follows, f1=1, f2=1 and
fn+2=fn+fn+1 whenever n>= 1.
(a) Characterize the set of integers n for which fn is even and
prove your answer using induction
(b) Please do b as well.
The Fibonacci numbers are defined as follows: fi -1, f21, and fn+2 nfn+1 whenever n 21. (a) Characterize the set of integers n for which fn is even and prove your answer using induction. (b) Use induction to prove that Σ. 1...