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Mathematics 7 Online
OpenStudy (anonymous):

The no. of non-diagonal matrices of order 4 satisfying A^2 = A is a) 2 b) 4 c) 16 d) 15

OpenStudy (donnie1999):

a

OpenStudy (anonymous):

how

OpenStudy (donnie1999):

2^2 = 4

OpenStudy (anonymous):

can you explain it i can't understand a bit

OpenStudy (anonymous):

please explain i need to know

OpenStudy (anonymous):

guy's tell me the answer, the right answer in question paper was (d)

OpenStudy (anonymous):

@donnie1999 tell me how i can solve this

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