(adsbygoogle = window.adsbygoogle || []).push({}); PLEASE HELP!! a matrix proof..

Hey!

I really need help with this question if possible.

Let Q be an n x n matrix with each entry = 1

Let I be the n x n identity matrix

let H = Q-n*I

show that det(H) = 0

(hint: think of row reducing H)

Thanks a lot,

j3n

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# Homework Help: PLEASE HELP a matrix proof

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