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If the matrix A B is a zero matrix, then...

If the matrix A B is a zero matrix, then

A

It is not necessary that either `A=0 or B=0`

B

`A=0 or B=0`

C

`A=0 and B=0`

D

all the above statement are wrong

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The correct Answer is:
A
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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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  16. The eigen values of the matrix A = [[2,3,0],[0,1,0],[0,0,2]] are

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  17. If A= [[2,-3],[2,-4]] then |A^2+2 A|=

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