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Qstn 1 -

If A.x = λx

where

A=

\(\begin{bmatrix} 2 && 2 && -2\\ 1 && 3 && 1\\ 1 && 2 && 2\\ \end{bmatrix}\)

,determine the eigen values of the matrix A, and an eigen vector corresponding to each eigen value. If λ=2

,what is b?

A) {0,1,0}

B) {3,0,2}

C) {2,0,1}

D) {0,1,1}

 

Qstn 2 - 

If A.x = λx

where

A=

\(\begin{bmatrix} 2 && 2 && -2\\ 1 && 3 && 1\\ 1 && 2 && 2\\ \end{bmatrix}\)

,determine the eigen values of the matrix A, and an eigen vector corresponding to each eigen value. If λ=4 ,what is c?

 

A) {2,3,0}

B) {-2,1,1}

C) {2,1,1}

D) {3,2,6}

 

 

Qstn 3 -

Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for c

A) 2

B) 1

C) 5

D) 7

 Mar 19, 2016
 #1
avatar+33653 
+5

This might help:

 

eigenvals

 

(I used Mathcad to do the calculations).

 Mar 19, 2016

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