Question

find eigenvalue of \[\left(\begin{matrix}-2i&-4\\1&-2i\end{matrix}\right)\]
Please, help

Answer 1

Don't worry we will help

Answer 2

Thanks

Answer 3

Is there any answer choices?

Answer 4

nope,

Answer 5

Can you write it how you see it without using equation

Answer 6

ok, got what you mean. I have problem as
\[x'=\left(\begin{matrix}-1&-4\\1&-1\end{matrix}\right)x\]

Answer 7

Give me one second

Answer 8

oh, I got it now. I am sorry for bothering and thanks for response. XD

Answer 9

Are you sure?

Answer 10

not exactly mine, but kind of, take a look at this http://www.youtube.com/watch?v=efpuBso8ZVw

Answer 11

Also where was the question from?

Answer 12

nope, I am not sure just this part. I took linear last Spring and afraid of this part only. the rest is ok, I can handle it.

Answer 13

Let me keep trying

Answer 14

What did you get?

Answer 15

I got eigenvector \([2i,b]^T\)

Answer 16

Hmm

Answer 17

what do you mean by "Hhm"?

Answer 18

Just checking my answers

Answer 19

oh, I am sorry, it's \([2i, 1]\) not b, hihihi

Answer 20

Correct

Answer 21

Good job!

Answer 22

hehehe...thanks for being here with me.

Answer 23

Yeah no problem!

Answer 24

hey, I have another question