1).LET 'a' be eigen value corresponding to eigen vector 'X' of 'f' then:
fX=aX
=> f2X=f(aX)=a(fX)=a(aX)=a2X
Thus X is also eigen vector of f2 corresponding to eigen value 'a2'..
2)No, this is not true:
COUNTER EXAMPLE IS IN Picture below:

1. Show that every eigenvector of f is also an eigenvector of ffo f(composition). 2. Does any eig...
Exercise 1.6.37.(i) Show that every function f :R - R of bounded variation is bounded, and that the limits limoo f(x) and lim f(x), are well-defined. (ii) Give a counterexample of a bounded, continuous, compactly supported function f that is not of bounded variation.
Exercise 1.6.37.(i) Show that every function f :R - R of bounded variation is bounded, and that the limits limoo f(x) and lim f(x), are well-defined. (ii) Give a counterexample of a bounded, continuous, compactly supported...
3. Let A and B be any nxn matrices. Suppose ū is an eigenvector of A and A+B with corresponding eigenvalues 1 and p. Show that ū is also an eigenvector for B and find an expression for its corresponding eigenvalue. [2]
2) (15 marks) Consider the function ffo E [0,1 (a) Construct the even extension of f and find its Fourier series. You may use MuPAD to check your calculations, but you will have to show your working for computing each integral to get any marks. (b) Construct the odd extension of f and find its Fourier series. You may use MuPAD to check your calculations, but you will have to show your working for computing each integral to get any...
12. Let f be integrable on a closed interval [a, b]. Suppose that there is a real number C such that f(x) 2C for all E a, b (1) Prove that if С > 0, then, is also integrable on [a,b, (6 Marks) (2) If C 0, i, still integrable (assuming f(x) 0 for any x E [aA)? If yes, supply a short proof. If no, give a counterexample. (6 Marks)
12. Let f be integrable on a closed interval...
12. Let f be integrable on a closed interval [a, b]. Suppose that there is a real number C such that f(x) 2C for all E a, b (1) Prove that if C>0, then 7 is also integrable on la,b] (6 Marks) (2) If C 0, i, still integrable (assuming f(x)关0 for any x E [aM)? If yes, supply a short proof. If no, give a counterexample. (6 Marks)
12. Let f be integrable on a closed interval [a, b]....
Proof or give a counterexample for the following statement
Let f:[8,18].
Then f(f-1(G))=G for any G⊆
Justify your answer
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(a) State what is meant by saying that F is a σ-field on a set Ω. I. (b) Let F1 and F2 be two-fields on a set Ω. Is Ћ UF2 a-field on Ω? If yes, show that Fİ UF2 is a σ-field on Ω. If not, give a counterexample. , isaơ-field on . (c) Let 2-11,2,3,4,5,6,7,8,9,10) and F(A) be the o-field generated by A - 11,2,3,5, 10), 2,8,51, 16,7)1 (i) Find F(A); (ii) Give an example of four-fields F1,...
Exercise 1.10 For f(c) continuous in a neighborhood of 2o, consider li 1+20 f(x) - f(2.10 - 2) 21-30) (1.11) (a) Prove or give a counterexample: When f'(o) exists, limit (1.11) also exists and it is equal to f'(to). (b) Prove or give a counterexample: When limit (1.11) exists, it equals f':co), which also exists.
Find all eigenvalues and eigenvector of the matrix 2 2 A 1 1 -2 -4-1 Give the eigenvalues in ascending order. Choose the corresponding eigenvectors from the table below: 0 1 -2 2 1 V 2 = A 0 2 Vector 1 Vector 2 Vector 3 Vector 4 Vector 5 Vector 6 Eigenvector number: Eigenvector number: A3 Eigenvector number: Il
1 Let A-I: 11 (a) Is the vectoran eigenvector of A? Show your work 2 3] 2 (b) Is the number 4 an eigenvalue for A? Show your work.