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Let A elementof M_n(R) be a diagonalizable matrix with tr(A^2) = 0. Prove that A is the zero matrix.

asked Nov 5, 2020

Mathematics
college

1 answer

1 vote

187k views

3. The mass of Aimi is 47kg. She wears a pair of high-heeled shoes, each with a surface area of contact of 1.5cm with the floor. What is the pressure exerted by Aimi on the floor? 4. The mass of a car

asked Jun 15, 2020

Physics
middle-school

1 answer

2 votes

163k views

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