Can someone solve this, i have tried for 2 days!!

Jomo said:
Let z = k for some real number k
Then in terms of k what does x and y equal?

For example if r=3t, s=-2t and t=k, then the solution will be, r=3k, s=-2k and t=k. This means that there are an infinite number of solutions. So give us your final answer. That is tell us if the 3 matrices are independent or not and if they are dependent give us the linear combination that shows that.
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they are linearly dependent because there are infinite number of solutions right?
 
obelisk1151 said:
they are linearly dependent because there are infinite number of solutions right?
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This is going to be my last response to you unless you answer my questions or tell me what you do not understand.
Last time---You claim that the three matrices are linearly dependent. You must have solved xA1 + yA2 +zA3 = 0 to get that conclusion. Wonderful! Can you please tell me what results you got for x, y and z?
 
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