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If A=({:(1,4),(2,3):}), then show that A...

If `A=({:(1,4),(2,3):})`, then show that `A^(2)-4A-5I=0` ,where `I=({:(1,0),(0,1):}) " and " O=({:(0,0),(0,0):})`.

Text Solution

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The correct Answer is:
`1/5({:(-3,4),(2,-1):})`
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