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suspenc3

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## Homework Statement

[tex]\left(\begin{array}{ccc}0&1&0\\1&-2&0\\0&0&3\end{array}\right)[/tex]

## Homework Equations

|A-Lambda(I)| etc...

let T = lambda

## The Attempt at a Solution

[tex]\left(\begin{array}{ccc}0&1&0\\1&-2&0\\0&0&3\end{array}\right)[/tex]

[tex]\left(\begin{array}{ccc}-T&1&0\\1&-2-T&0\\0&0&3-T\end{array}\right)[/tex]

cant I just multiply -T(minor11)+(-1)(1)(minor21)?

The answers in the book are different...can anyon help

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