AP EAMCET Engineering 17 Sep 2020 Shift 2 Paper

Section: Mathematics

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Question : 10 of 160

Marks: +1, -0

Let M and N be two matrices over R of order 2. Then MN=NM if _______

One of M and A is a diagonal matrix
Both M and N are diagonal matrices
Both M and N are invertible matrices
None of these options are true in general

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