Determine the value of a so that ( lambda = 2 ) is an eigenvalue...

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Advance Math

Determine the value of a so that ( lambda = 2 ) is an eigenvalue of 

( A=egin{pmatrix}1&-1&0\ a&1&1\ 0&1+a&3end{pmatrix} )

Then show that A is diagonallizable and diagonalize it. 

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Solution we have A2Ieginpmatrix110 a11 01a3endpmatrix Then if lambda 2in SPA implies A2Ieginvmatrix110 a11 01a3endvmatrix0 Thus a1 we have Aeginpmatrix110 111 003endpmatrix implies PlambdaAlambda Ieginvmatrix1lambda 10 11lambda 1 003lambda endvmatrix    See Answer
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