2. Let m, n, and d be integers. Show that if dim and dIn, then di(m...
(e) Let V and W be finite dimensional vector spaces, dim V-n and din W-m. Show that there is a bijection between the set Bil V, W;R) of all bilinear functions on V and W and the set GLn(m)R of all matrices of order n x m Hint: Uselal & rbl (e) Let V and W be finite dimensional vector spaces, dim V-n and din W-m. Show that there is a bijection between the set Bil V, W;R) of all...
(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.
PLEASE SHOW ALL STEPS WITH EXPLAINATION Let m and n be positive integers and let k be the least common multiple of m and n. Show that mZ∩nZ=kZ.
Suppose that d = s and and positive integers m and n (a) Show that m/d and n/d are relatively prime ged(m, n) sm +tn for some integers (b) Show that if d = s'm + t'n for s', t' e Z, then s' = s kn/d for some k e Z.
for each positive integer m, let v(m) denote the number of divisors of m. define the function F(n) =∑ v (d) dIn where the sum is over all positive divisors d of n prove that function F(n) is multiplicative
27. (a) Let m and n be integers > 1 which are relatively prime. Show that the map f : Z → Z/mZ × Z/nZ whith f(x) = (x + mZ, x + nZ) is surjective (b) Prove the Chinese Remainder Theorem: If m and n are relatively prime integers > 1 and if a and b are any integers, then there exists a E Z such that b(mod n). a(mod m) and a a Hint: (a)] 27. (a) Let...
Let n E N and A e Mnxn(R). Define trace(A) = x1=1 di,i (i. e. the sum of the diagonal entries) and tr : Mnxn(R) + R, A trace(A). Compute dim(im(tr)) Enter your answer here and dim(ker(tt)) = Enter your answer here
. Let A be an n × n matrix. Prove that dim(span({In, A, A2,...})) ≤ n.
(14) Let R be a relation on the integers defined by m R n if and only if m+m2 n+ n2(mod 5). Show that R is an equivalence relation and determine all the equivalence classes.
1. Let n,m e N with n > 0. Prove that there exist unique non-negative integers a, ..., an with a: < 0+1 for all 1 Si<n such that m- Hint:(Show existence and uniqueness of a s.t. () <m<("), and use induction)