2. Determine which of the following maps T : M(2,R) → R are linear.
(i) T(A) = Trace (A) (ii) T(A) = det(A) (iii) T(A) = 0
By Mia

2. Determine which of the following maps T : M(2,R) → R are linear.
(i) T(A) = Trace (A) (ii) T(A) = det(A) (iii) T(A) = 0
(iv) T(A) = r(A)

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Mia

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