Exercise 3.4.2

Answers

1.
The solution is (4,−3,,−1).
2.
The solution set is {(9,4,0) + t(−5,−3,1)}.
3.
The solution is (2,3,−2,1).
4.
The solution is (−21,−16,14,−10).
5.
The solution set is {(4,0,1,0) + s(4,1,0,0) + t(1,0,2,1)}.
6.
The solution set is {(−3,3,1,0) + t(1,−2,0,1)}.
7.
The solution set is {(−23,0,7,9,0) + s(0,2,1,0,0) + t(−23,0,6,9,1)}.
8.
The solution set is {(−3,−8,0,0,3) + t(1,−2,1,0,0)}.
9.
The solution set is {(2,0,0,−1,0) + s(0,2,1,0,0) + t(1,−1,1,2)}.
10.
The solution set is {(1,0,1,0) + s(−1,1,0,0) + t(1,0,1,2)}.
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2011-06-27 00:00
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