Q. 134.2( 6 Votes )

# If <img sty

Answer :

Given .

We need to find A2 – 5A + 4I.

We know A2 = A × A.   Now, we evaluate –5A = –5 × A.   Finally, matrix 4I = 4 × I.   The given expression is A2 – 5A + 4I.   Given that A2 – 5A + 4I + X = O

X = – (A2 – 5A + 4I)  Thus, and Rate this question :

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