3. Are the vectors (1, 2) and (-4, -8) linearly independent? 4. a. Is ( e 2 t + e t 1 1 e 2 t ) a…

3.           Are the vectors (1, 2) and (-4, -8) linearly independent?

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3. Are the vectors (1, 2) and (-4, -8) linearly independent? 4. a. Is ( e 2 t + e t 1 1 e 2 t ) a…
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4.           a.    Is

 

e 2t +et 1

1   e2t        

            )

 

a solution of the system

x' = x + y y' = 2y?

 

b.    Is

e 2t 1

1     

 

a solution of the above equation?

  0 )