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Suppose that a 4 × 4 matrix A has eigenvalues λ1 = 1, λ2 = − 5, λ3 = 6, and λ4 = − 6. Use the following method to find tr(A).

If A is a square matrix and p(λ) = det (λI − A) is the characteristic polynomial of A, then the coefficient of λn − 1 in p(λ) is the negative of the trace of A.


Question. Given the matrix A = 3 1 1

2 4 2

1 1 3


a. Solve A for its eigen values and given vectors

b. Constant Similar matrix for A if possible


Question 1. Let u = (2,1,0,5) e R2. Apply the process of inner product spaces.

  • Solve u for its length
  • Solve u for its Normalized vector

Let T

 be a function from R

3

→R

3

 defined by

T(x,y,z)=(x−y+2z,2x+y,−x−2y+2z)


(i)

(ii)

  Show that T is a Linear Transformation

  Find nullity of T



Verify cayley hamiltan theorem for A=[ 124212421]

 Prove that 𝑇: 𝑉3 → 𝑉2 defined by 𝑇(𝑥, 𝑦, 𝑧) = (𝑧, 𝑥 + 𝑦) is a linear transformation.


Given that k =[2 1]




[3 4]




Find the matrix k2+k+i,where i is the (2× 2) identify matrix






Find the dependency of vector (1,0,3),(0,1,2),(2,3,1),(4,1,0)

. Find a basis for the orthogonal complement of the vector v(1, 3,−2) of the euclidean vector space (R 3 , ·). Argue whether this basis is orthonormal or not.


Study whether the vectors v1(1, 1, 2), v2(2, 3, 0), v3(3, 4, 2) in R 3 are linearly dependent. If so, find the linear dependency relation


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