Mathematics, 13.11.2019 00:31, AM28
Let a be an n x n matrix, and z: = {b in mnxn | ab=ba}. (this z is called the centralizer of a.) show: * z is a vector subspace of mnxn* z is a subring of mnxn* the centralizers of conjugate matrices are isomorphic rings.* dim(z) is at least n.
Answers: 3
Mathematics, 21.06.2019 15:20, queentynaisa
Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
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Mathematics, 21.06.2019 19:00, libi052207
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12
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Suppose that g(x)=f(x+9) which statement best compares the graph of g(x) with the graph of f(x)
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Let a be an n x n matrix, and z: = {b in mnxn | ab=ba}. (this z is called the centralizer of a.) sho...