15. (i) Let A, B be 2 x 2 matrices over R and vectors x, y in R2 such that Ax = y, By = x, x"y = 0 and x"x = 1, y"y = 1. Show that AB and BA have an eigenvalue +1. %3D %3D (ii) Find all 2 × 2 matrices A, B which satisfy the conditions given in (i). Use cos(a) x = - sin(a)) cos(a) y = sin(o)),
15. (i) Let A, B be 2 x 2 matrices over R and vectors x, y in R2 such that Ax = y, By = x, x"y = 0 and x"x = 1, y"y = 1. Show that AB and BA have an eigenvalue +1. %3D %3D (ii) Find all 2 × 2 matrices A, B which satisfy the conditions given in (i). Use cos(a) x = - sin(a)) cos(a) y = sin(o)),
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.5: Basis And Dimension
Problem 65E: Find a basis for the vector space of all 33 diagonal matrices. What is the dimension of this vector...
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![15. (i) Let A, B be 2 × 2 matrices over R and vectors x, y in R2
such that Ax = y, By = x, x"y = 0 and x"x = 1, y"y = 1. Show that AB
and BA have an eigenvalue +1.
„T,
%3D
(ii) Find all 2 × 2 matrices A, B which satisfy the conditions given in (i). Use
x =
sin(a) )
– sin(a) )
cos(a)
y =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc2cefe1e-e0f5-437b-baa9-224f803eb400%2F04e38118-f5f2-42d0-96da-3c696dd567cf%2F852yedg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:15. (i) Let A, B be 2 × 2 matrices over R and vectors x, y in R2
such that Ax = y, By = x, x"y = 0 and x"x = 1, y"y = 1. Show that AB
and BA have an eigenvalue +1.
„T,
%3D
(ii) Find all 2 × 2 matrices A, B which satisfy the conditions given in (i). Use
x =
sin(a) )
– sin(a) )
cos(a)
y =
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