Find a 3×33×3 matrix AA such that Ax⃗ =9x⃗ Ax→=9x→ for all x⃗ x→ in R 

2022-03-14 Answered
Find a 3x3 matrix A such that Ax⃗ =9x⃗ for all x⃗ in R
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Answers (1)

nick1337
Answered 2022-03-24 Author has 510 answers

Ax=9x

Consider the matrix 3×3

=900090009

(A-9I)x =0 for all x in A

Since A-9I =0

this equals 0 for all values of x

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