Show that if A is nxn and has all 0’s on and below the diagonal then An = 0. Hint: do not at first be too ambitious. First find A2 and observe something useful about it. What about A3?

Question

myininaya · Answer

What is An?

anonymous · Answer

the matrix

anonymous · Answer

commonly seen as Ax=b.
this is An=0.

myininaya · Answer

Oh I thought there might have been a difference 
because you called the matrix A then you called it An

myininaya · Answer

Are you saying n is an eigenvector ?

anonymous · Answer

honesly i dont know wat to do. this is what the teacher asked us

myininaya · Answer

Or are you say An is the matrix?

anonymous · Answer

idk..lol

myininaya · Answer

Ok I think 
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and
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