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AP EAMCET Engineering 2014 Code A Solved Paper
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© examsnet.com
Question : 5
Total: 160
If the matrix
A
=
[
1
2
3
0
2
4
3
2
3
2
1
3
6
8
7
α
]
is of rank
3
,then
α
=
5
4
1
−
5
Validate
Solution:
|
A
|
≠
0
then
α
=
5
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