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foci ((x-1)^2)/9+(y^2)/5 =100

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eigenvalues (

3	1	1
1	3	−1
2	4	1

)

Solution

λ=4, λ=32 +i√72 , λ=32 −i√72

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(

3	1	1
1	3	−1
2	4	1

)

Matrix eigenvalues

Let A be a square matrix, η a vector and λ a scalar that satisfy Aη=λη,
then λ is called the eigenvalue associated with the eigenvector η of A

The eigenvalues of A are the roots of the characteristic equation det(A−λ I)=0

det((

3	1	1
1	3	−1
2	4	1

)−λ(

1	0	0
0	1	0
0	0	1

)): −λ³+7λ²−16λ+16

−λ³+7λ²−16λ+16=0 פתור את: λ=4, λ=32 +i√72 , λ=32 −i√72

The eigenvalues are:

λ=4, λ=32 +i√72 , λ=32 −i√72

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היי, לשאול שאלה לגבי eigenvalues (

3	1	1
1	3	−1
2	4	1

) או בחר למטה

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

foci ((x-1)^2)/9+(y^2)/5 =100

Solution

Solution steps

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