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I have taken Calculus 2 at the University of Arizona and multiple science classes. I also am good at writing. Message or Kik me to have me do your homework.

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I have a nice one for you:

Let phi be a linear isometry in a four-dimensional euclidean vector-space with determinant 1.

Proof that there are real number a and b, so that the characteristic polynomial of phi is equal to:

X^4 + aX^3 + bX^2 + aX + 1