- #1

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Member warned about not using the HW template

**My apologies for having to post in an image, my latex skills are not good enough for the question at hand :(**

a) There is no solution since the system has more unknowns than equations (the equations are equal giving 1=2 which does not make sense).

b) I get a solution of \begin{bmatrix}1 \\1 \\ 3/2 \end{bmatrix}

for u.

c) I am not sure how to prove this directly, since there are no values for x,y or z.