Here's the question you clicked on:
atjari
Hi every1 plssss help me
I want u all to check my answer for a question. I am typing both answer and the question. I will be posting it nw. Then check.
that's a pretty long q and a.
So sorry for making u wait so long. pls see the attachment.
I don't think I'll be able to hope. You should go ask i nthe chats.
As far as I can see, everything looks fine. You lost me for a while on equating the coefficients, but if you input it into a matrix, you still get the same inconsistency (and I'm pretty sure I just screwed up the coefficients in my head).
Is there any alteration I shud make?
I'm still not completely sure how you solved the coefficients, but you were correct in getting it so alpha was an imaginary number (I tried to solve the system of equations sans matrix and got different numbers, but it was still imaginary in the end). I'd say you're fine with what you have.
xkehaulanix I'v posted an attachment showing hw I solved the cofficients. Pls check.
Yikes, I would never have tried doing it that way. Haha, everything is correct though!
What other method wud u hav used to do t? Cn u tel me pls?
Your method was probably a lot faster, so I'd keep doing it the way you did. I either use matrices or substitution of variables, which I find a little easier to keep track of. They're essentially the same things though. I tend not to subtract or add equations when I use substitution like you did, so I couldn't figure out how you got your numbers until you showed all the steps.
Ha k. Thanx a lt for checking my answer.