Question

Which one of the following statement is incorrect?
(a) A unit matrix is a scalar matrix
(b) A scalar matrix is a diagonal matrix
(c) A unit matrix is a diagonal matrix
(d) For any two matrices, the addition of matrices exists
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Answer 1

Hey mate here we go with

Options D is ans for Ur question

bcz Unit matrix is a scalar and diogonal matrix

scalar matrix is also daigonal matrix

I hope this will help u

mark my ans as brainliest

Answer 2

option D is the right answer