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(Solved): List the eigenvalues of A. The transformation x|->Ax is the composition of a rotation and a scali ...
List the eigenvalues of A. The transformation x|->Ax is the
composition of a rotation and a scaling. Give the angle \phi of
the rotation, where -\pi <\phi <=\pi , and give the scale factor r.
A=[[-(\sqrt(3))/(7),-(1)/(7)],[(1)/(7),-(\sqrt(3))/(7)]]
The eigenvalues of A are \lambda =i as needed.