Graham,

It’s easier to typeset (4\,\,1/2)^T rather than \left(\begin{array}{c}4\\ 1/2\end{array}\right).

Corrected.

Corrected.

Cheers,

J.P.

Q3(c) Should this be 1 0 top, 0 1 Bottom?

Q4(c) Is B a 3 * 5 ?

Rgrds,

Graham ]]>

Solution (iv) I think Z=-7/3 & y=10/9. I assume you just made a typo or am I missing something?

*corrected – J.P.*