Linear algebra problems:

52
82 c), d)
93
114
124 a), c), d)
131
108 c) by using the fact that if the _extended_ coefficient matrix has an inverse, then the equation system has no solution. (You need not establish this property.)

The matrix A has the property that A (x y z)' = (z -x x+y)', for all x, y, z. Find A.


Implicit differentiation problems:
63 (a)
92 (a)
(The rest of these problems will be given for seminar 08.)