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3. Suppose a system of equations is represented by a matrix, which has the following reduced row
echelon form:
0
Ok-1
0
-2
0
0
k2 - k - 6 k+2
Find all values of k for which the solutions are:
(a) a plane
(b) a line
(c) a point
(d) the empty set
[10 marks]

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New Doc 2019-09-23 17.46.27_1.jpg

O
O
K -1
O
1
2
O
K - K - 6 1 K + 2
The salution will be empty set
if solution doesn't exist .
i-e. gank of A and flank ( A: b )
are. not same
where . A =
0
OK-IO
X
0 0 K = K - G
[A : b =
O
- 2
O
K...

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