haileyyob2287 haileyyob2287

13-05-2023
Mathematics

contestada

.5. Let A and B be n x n matrices. Is (A+B)^2=A^2+2AB+B^2? If true, prove it. If false, explain why and give a correct version.
8. Find a nonzero matrix A whose square is O. Find a matric whose square is nonzero but whose cube is O.

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