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1. Let n,m e N with n > 0. Prove that there exist unique non-negative integers...
(2) Prove that if j-0 i-0 with k, 1 e N u {0), and bo, . . . , be , do, . . . , dl e { 0, . . . , 9), such that be, de # 0, then k = 1 and bi- di fori 0,.. , k. (I recommend using strong induction and uniqueness of the expression n=10 . a + r with a e Z and re(0, 1, ,9).) (3) Prove that for all...
Let n be a non-negative integer. Letf() be such that f(x), f'(x).f"(x).,fn+exist, and are continuous, on an interval containing a. In this assignment, you will prove by induction on n that for any r in that interval f'(c) f"(c) fm (c) (t) (x -t)" dt. 7n n! 1. (a) Explain why the claim given above is true for n-0 (b) Use the fact that the claim is true for n-0 to explain why the claim is true for n =...
6. Let si = 4 and sn +1 (sn +-) for n > 0. Prove lim n→oo sn exists and find limn-oo Sn. (Hint: First use induction to show sn 2 2 and the.show (sn) is decreasing)
Let q be a prime and let m and n be non-zero integers. Prove that if m and n are coprime and q? divides mn, then q? divides m or q? divides n
(6) Let A denote an m x n matrix. Prove that rank A < 1 if and only if A = BC. Where B is an m x 1 matrix and C is a 1 xn matrix. Solution (7) Do the following: (a) Use proof by induction to find a formula for for all positive integers n and for alld E R. Solution ... 2 for all positive (b) Find a closed formula for each entry of A" where A...
7. Let E C R be nonempty, n E N, and K, L E Z such that K/n is an upper bound for E, but L/n is not an upper bound for E. (a) Show that there exists an for E, but (m - 1)/n is not an upper bound for E. (Hint: Prove by contradiction, and use induction. Drawing a picture might help) m < K such that m/n is an upper bound integer L (b) Show that m...
1. Let {n} be a sequence of non negative real numbers, and suppose that limnan = 0 and 11 + x2 + ... + In <oo. lim sup - n-00 Prove that the sequence x + x + ... + converges and determine its limit. Hint: Start by trying to determine lim supno Yn. What can you say about lim infn- Yn? 3 ) for all n Expanded Hint: First, show that given any e > 0 we have (...
1. Without using the Binomial Theorem, prove that for all non-negative integers n ΣΘ = 2". IM-
(a) Use mathematical induction to prove that for all integers n > 6, 3" <n! Show all your work. (b) Let S be the subset of the set of ordered pairs of integers defined recursively by: Basis Step: (0,0) ES, Recursive Step: If (a, b) ES, then (a +2,5+3) ES and (a +3,+2) ES. Use structural induction to prove that 5 (a + b), whenever (a, b) E S. Show all your work.
(11) Let A-{2" . 3", | n and m are non-zero integers). Show that 1 єА. (11) Let A-{2" . 3", | n and m are non-zero integers). Show that 1 єА.