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Assuming that the sums and products give...

Assuming that the sums and products given below are defined, which of the following is not true for matrices ?

A

AB=AC does not imply B=C

B

A+B=B+A

C

`(AB)'=B'A'`

D

AB=0 `implies` A=0 or B=0

Text Solution

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The correct Answer is:
A
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