Cierragr253 Cierragr253

02-01-2024
Biology

contestada

Which of the following subsets of R³ˣ³ are subspaces of R³ˣ³?
A. The diagonal 3 x 3 matrices
B. The 3 x 3 matrices in reduced row-echelon formm
C. The 3 x 3 matrices whose entries are all integers
D. The 3 x 3 matrices with all zeros in the third row
E. The symmetric 3 x 3 matrices

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