Compute A2 - 4A - 5 Where A - - 1 2 2- 2 1 1- 2 2 1 -and I is a unit matrix

A ^2 = [ 1 amp; 2 amp; 2; 2 amp; 1 amp; 1; 2 amp; 2 amp; 1 ] ∴ A^2 4A 5I = [ 1 amp; 2 amp; 2; 2 amp; 1 amp; ...

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Multiplication of Matrices

Compute A2 ...

Question

Compute $A^{2} - 4 A - 5$ Where A = $⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 2 2 & 1 & 1 2 & 2 & 1 \end{matrix} ⎤ ⎥ ⎦$
and I is a unit matrix

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Similar questions

A = [\begin{matrix} 1 & - 1 2 & 3 \end{matrix}]

I

2

A^{2} - 4 A + 5

A = ⎛ ⎜ ⎝ \begin{matrix} 1 & 2 & 2 2 & 1 & 2 2 & 2 & 1 \end{matrix} ⎞ ⎟ ⎠

A^{2} - 4 A = p I

I

O

3

p

A = [\begin{matrix} 1 & - 1 2 & 3 \end{matrix}]

A^{2} - 4 A + 5 I = 0

I

A

A

A^{2} + I = 0

I

A

A = [\begin{matrix} 2 & 3 1 & 2 \end{matrix}]

A^{2} - 4 A + I = 0

I

2 \times 2

0

2 \times 2

A^{- 1}

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