Question

pls answer this immediately​

Answer 1

Answer:

a=1

Step-by-step explanation:

We know trace of A =sum of eigenvalues

So here given two eigenvalues 2 and 3

3rd eigenvalue is 2+2+2=2+3+x

x=1

Determinate of A=product of eigenvalues

So 8-2a=6

2a=2

a=1

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Answer 2

Step-by-step explanation:

so here give two eigenvalues 2and3

3rd eigenvalue is 2+2+2=2+3+x

x=1

so 8-2a=6

2a=2

a=1