jb
1) studied the range of the following matrix for different values \u200b\u200bof to :
2) shows that :
3) Halla according to , the value of this determinant:
, if possible , the system:
5)  Discuss the following system of equations based on the value of parameter k and solve it if it is compatible undetermined. | |
 6) A dealer has 3 routes: the first deals 10 packages with a total weight of 2,000 kg, the second deal 5 packages with a weight of 1,200 kg and the third 2 packages with a weight of 1,000 kg. In a month has 15 routes delivering a total of 93 packets and 22,000 kg. Determine how many routes of every kind has done. Express the system in matrix form and solve using the inverse matrix . Solution | |
 jb 
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