Hello

Find the matrix T of the transformation.

Step 1 :

find the eigenvalues

Step 2 :

find the eigenvectors associated to each eigenvalue

Step 3 :

it's done :P

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How to find eigenvalues :

Find the characteristic polynomial, defined as :

The eigenvalues will be therootsof the characteristic polynomial.

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Comment :

Hmmm I have to check it out