1. For n 2 2, let A = [a E M,(C). Suppose A is diagonally dominant. Show that if af # 0 for all i, je (1, 2, ..., n} and la,>r, for at least one je (1, 2, n}, then A is nonsingular. ....

Q: 2. Let L1 bg 3D (-1,2, 1,3, 3), сі %3D (3, —4, 0, — 4, 3), сэ %3D Find a basis of Lin L2 and L1+ L2.…

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Q: 1. Let A = {a, b, c}, B = {1,2,3}, C = {x, y, z, w}, D = {4,5, 6}. Let the functions f : A → B, g :…

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Q: 6. Make a 3D sketch for each of the following. a. 7= (2,4, 1) + s(2,3,-2) b. 7= (1,2,0) + t(1,-1,3)…

A: To Do: Make a 3D sketch of the following: (a) r→=2, 4, 1+s2, 3, -2 (b) r→=1, 2, 0+t1, -1, 3 (c)…

Q: 6. Find UV (dot a) Ū · V = (2, 3, -

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Q: 4. (а) Let a, b, c E Z. Prove that, if a | b, then ac | bc, but that the converse may be false. (b)…

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Q: Let T = W = [5 a) U only, -3 5 3 3 2 -3 2 3³] - Now let U = K Then the inverse o b) C only, c)

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Q: 1. Answer all parts. (a) Consider the operators A and B. Show that (i) (ii) [A, B]=-[A, B] [Am, A"]=…

A: Operators :A and B

Q: (а b)с + (а - с)b + (с b)a 3 ve that v belongs to B.

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Q: 6. Let F = (-6, 5)U{-10, 10} U [7, 11). Find max F, min F, sup F, and inf F if they exist.

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Q: 5. If r = (r, (x, y, z) and ro = (xo, Yo, 20), describe precisely the set of all points (r, y, z)…

A: We plug the given values in the given equation and simplify

Q: Does S={(1,0,1),(2,1,0),(3,,1,1),(1,1,1)} spans R³ ? Select one: O True O False

A: Given: S={(1,0,1),(2,1,0),(3,1,1),(1,1,1)}

Q: AN 3. Given R(x) = a) R (-1 3x-1 TED COMPILED ANDEDIB COMPILED AND EDITE COMPILED AND SoCOMPILED AND…

A: This is a composition of functions.

Q: Show that a,b,c are in A.P. If x is the G M be tween a and b and y is the G M between b and c,  then…

A: We have to show if  a, b, c are in A.P.,  x is the G M be tween a and b and y is the G M between b…

Q: The relation - on the set A = Z x (N - {0}) by (u, v) - (z, w) if and only if wu = zv. Specify the…

A: We will use the relation wu=zv between two elements (u,v) and (z,w) .

Q: A university offers a Calculus class, a Sociology class, and a Spanish class. You are given data…

A: i) Following venn diagram represents the given system: Therefore there are 7 in total, which of…

Q: 9. S= {(6,2, 1), (-1,3,2)} is: %3D linearly independent set of R. b. a linearly dependent set of R3.…

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Q: a) Show that under the transformation: k = ab the equally spaced z-values, z : 10, 7o + h, 7o + 2h,…

A: The given transformation is, k=x-(x0-ah)h. When the value of x is x0 the value of k is as follows.…

Q: Let U= {1, 7, 2, 12, 5, 10, 20, 18} A = {1, 20, 18} C = {7, 2, 12, 5, 10} Find A U C'.

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Q: if zi = ayi for i=1,2,...,n, show that z=ay

A: Here we have given that if    then we have to show that   so here zi and yi are random variable…

Q: Then, there exists k1≠0, k2≠0  such that a,b=k1c,k1d   and  c,d=k2e,k2f. a,b=k1c,d=k1k2e,…

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Q: 6. Evaluate u x v, where u = -e, - 2e, + 2e,, v = 2e, - 2e, +e,.

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Q: 4. (a) Write down four distinct elements of the set {2 €C:2- E = 2i}.

A: Note:  We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: I. Let the universal set U = {1, 2, 3, ..., 10} . Let A = {1,4, 7, 10}, B = {1, 2, 3, 4, 5}, and C =…

A: According to our guidelines we can answer only first three sub-parts and rest can be reposted.

Q: Let Z = (0, 1, 2, 3} and the relations R, S, and T on Z are as follows: %3D R = {(0, 0), (0, 1), (0,…

A: Let Z=0, 1, 2, 3 and are the relations R, S and T on Z Given  R=0,0, 0,1, 0, 3, 1,0, 1,1, 2,2, 3,0,…

Q: 10.

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Q: The div A at p(1,1,2) for A is .... Å = x²y i + 2 x z j + 4 - z² y k - 3 ( 3 зі зј о

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Q: Suppose f : B C where B = {a, b, c}, C = {2, 8, 10}, and f is defined by f = {(a, 8), (b, 10), (c,…

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Q: Would you mind giving a brief explaning alongside each of these components (a-h) and how they fit on…

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Q: 15) Find u x v for u = and v = .

A: Given vectors are, u = -7, 1, 12 = -7 i^ + j^ + 12 k^v = 2, 2, 3 = 2 i^ + 2 j^ + 2 k^

Q: 103 Let = 2+j"8 and z, = 4+ j06. Show that a. + =2 = =, +z2 b. 1- 2 = =-2 с. d.

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Q: (1) if is reflexive, symmetric, or transitive. For a, b = Z, define ab if a + b is a multiple of 3.…

A: A relation is a subset of the cartesian product A×B where A and B are non-empty sets. For cartesian…

Q: LET G= R\{-1}. Define * on G by a*b = a + ab+b. Find the solution the solution equation 3* x * 2=23…

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Q: Let fi = 1+2x + 2x² + 3x³, f2 = 2+3x + 3x² + 4x³, f3 = 3+ 5x + 5æ² + 6x³ and 9i =1+x+x², g2 = 1+x…

A: Given polynomials are; f1=1+2x+2x2+3x3,f2=2+3x+3x2+4x3,f3=3+5x+5x2+6x3…

Q: Let fi = 1+x + x² + x³ , f2 = 1 + 2x + 3x? + 6x³, f3 = 3+2x + ? + 5x4, and g = 1+x + 2a? + tæ³. For…

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Q: 9. Which of the following are true for all sets A, B, and C. If the statement is true, prove it by…

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Q: Let A={2,y,z} and B={3,x,z}. How many distinct elements are in (A×B)∩(B×A)

A: Given, A={2,y,z} B={3,x,z} How many distinct elements are in (A×B)∩(B×A) ?