Question: Let 2 1 1 4 3 2 -1 A =| 1 1 3 B = 1 2 3 C = 3 4 3 -3

Let 2 1 1 4 3 2 -1 A =| 1 1

Let 2 1 1 4 3 2 -1 A =| 1 1 3 B = 1 2 3 C = 3 4 3 -3 4 (a) Find tr(A) (2 marks) (b) Find det(A) (3 marks) (c) Find A"B - 3C (4 marks) (d) Let M be the set of all matrices (of all dimensions) of real numbers. Define the relation comf on M such that X comf Y if and only if matrices X and Y are conformable for matrix multiplication. Show that relation comf is not an equivalence relation.

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To solve the given questions lets go step by step a Find texttrA The trace of a matrix is the sum of its diagonal elements Matrix A is A beginbmatrix ... View full answer

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