Suppose C(A) = C(A") where A is m x n matrix, then %3D O a. r=m O b. m=n C. mn

Q: Suppose that A (A, then det(B)- Select one: A. 15 OB. 5. OC -15 ODO th ) is a (4 x 4) matrix, where…

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Q: Suppose C is the cofactor matrix of matrix A and A CT then O a JA| = 0.5 %3D Ob.A= 1 %3D Od. A=+1

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Q: #12. Let A be an m × n matrix and B be an n × p matrix. Prove that (a) N(B) C N(AB). (b) C(AB) C…

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Q: 2. (a) Let S= A 0 I B A, B & GL (R), B = B, A = (B n ¸ Check whether or not S SP2n(R). Also give an…

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Q: ^ - [ 3 ] and B = [² = 4 5 If A 4 5 7 6 find 3A-2B+ I where I is a unit matrix.

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Q: If A = [1 2 3], which type of the given matrix A ?

A: Given Matrix A=[1  2  3 ]1×3  Here number of row=1  Number of columns=3

Q: Let A = 1.8 -6 : J.c = , ].- [1 2 l4 5 6] [1 0 lo 1 [0] ol.C = 6 , and V = |1|. What is the sum of…

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Q: • Let f(u) = a'u = Li=1 a;Ui for a, u E R“. Calculate Vuf(u).

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

Q: 8. Prove that (i) ||7. =1, and (ii) |. =\n (I is the Identity Matrix of order n).

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Q: Let A and B two matrices of order n x n. Prove the follwoing claims: (a) N(A)NN(B) CN(A+ B). (b)…

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Q: O Consider a non-singular n x n matrix A. Let A = inf{||SA|| : A+ 8A is singular}. Show that 1 A…

A: We are given a non-singular n×n matrix A and ∆ = inf{||δA|| : A+δA is singular} And we have to show…

Q: Let A be an m x n matrix. Show that: ( a ) Ifxε Ν (Α'Α), then AxE R(Α) Ω Ν (A"). (b) N (AT A) =…

A: Let A be an  m×n matrix. Show that: (a) If x∈NATA, then Ax∈RA∩NAT (b) NATA=NA. (c) A and AT have…

Q: If T ([*]) = x + 2y y - x Y and S = a+b+c 2ab-c 188 2 then the standard matrix for So Tis

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Q: Assume B is an n × n matrix, n > 1, and det(B) = 4. (a) Find n such that det(−5B) = 100

A: Given:We are required to find:

Q: Find the symmetric matrix that corresponds to the quadratic form q(x, y, z) = 3x² + 4æy – y² + 8xz

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Q: 15. If A=| B = 0 1 and C = |1 0 then find the matrix (Av B) 0 c

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Q: 10. Given that A and B are square matrices of order 3. If |A| = 3 and |B|= 1 then A. 2A 4B| = (-4)23…

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Q: Show that if n > 2 and C is an n x n matrix with cij = i + j, then det C = 0.

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Q: Let A be a 3x6 matrix of rank 3 then nullity of A equal 0 Select one: O True O False

A: I am going to solve the given problem by using some simple calculus to get the required result.

Q: If the matrix A is m x n and A = b is solvable for every b then O a. C(A) = Rm O b. m > n O c. C (A)…

A: For first question: Option (a) is correct. C(A) = R^m.

Q: Let f(u) = u™ Au, where u e Rd and A e Rd×d is a symmetric matrix. Calculate Vuf(u).

A: Directional derivative: If the function f is differentiable at x, then the directional derivative…

Q: For matrix A = A. C. (38 54 27 29. 29 27 54 38/ Select one: O A O B OC OD 4 (§). 3 if f(x) = X² - 5,…

A: A=4635f(X)=X2-5

Q: A is a reversible matrix of nXn. Show that |adjA|=|A|r1

A: As we know that the inverse of a matrix A is : A-1=adj(A)|A|

Q: [1 Let A = 2 and V = |1]. What is the sum of the entries of the B = %3D 14 5 1 matrix VT (AT — (А -…

A: We have to find sum of entries of given expression.