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Remaining Time: 57 minutes, 22 seconds.
Question Completion Status:
QUESTION 9
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If
then A2-3A-21 =
A=(34)
(513) (872) (82) (03)
062204
12
O a.
Ob
Od.
QUESTION 10
1 points
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If A=
- (85)
5.4
4
, then the eigenvalues of A are
O a. 1 and 9 b.-1 and -9 OC.-1 and 9 od 1 and -9
QUESTION 11
1 points
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-29 mod 12 =
03 01 05 07
QUESTION 12
1 points
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If the solution of the equation 2 +5 À
O a.
Ob
Oc
Od.
QUESTION 13
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Remaining Time: 58 minutes, 55 seconds.
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QUESTION 5
1 points
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If A =
-100
0 1 0
0 0 3
the trace of A is
O a 3x3
6.3 OC.0 od -3
QUESTION 6
1 points
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Let A=
-2 -1
a
3 b
-1 4 5
If A=AT, then the value of a and b are
O a. 2 and 4 b.-2 and -4 oC.-2 and 4 d. 2 and 4
QUESTION 7
1 points
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31 6
If A=014
00-2
then the Al is
a-6 6.2 C.6 Od-2
QUESTION 8
1 points
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0 2
Let C =
wachung
then calis
5
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Remaining Time: 56 minutes, 41 seconds.
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QUESTION 13
1 points
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a B
If A=
=()
a b
ba
and A?
Cool
then a = 2ab and B=a?+62
True False
QUESTION 14
1 points
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The size of the matrix A=(1 O -1) is 3x1
True
O False
QUESTION 15
1 points
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If A =
(
K-21
0 k+2
is singular, then k= + 2
True False
QUESTION 16
1 points
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The solution of the system of linear equation
x-2y=2
2x+y=9
2
29
by using cramer's rule is x= and y=
1-2
2 1
True
1 - 2
2 1
False
QUESTION 17
1 points
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Remaining Time: 59 minutes, 47 seconds.
Question Completion Status:
QUESTION 1
1 points
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If A is a 5 x 4 matrix and B is a 4 x 3 matrix, then size of BTAT is
O a. 3 x 4
b. 5x3
O c. 54 Od 3 x 5
QUESTION 2
1 points
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(23)
13
Let A =
and 2A +31 =
()
56
4.
then the value of x is
Oa0 Ob. 1 c.2 Od-1
QUESTION 3
1 points
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Which among of the following is not true for
-2 0
0 - 8
a. Its determinant is not 1.
b. It is a diagonal matrix.
c. Its inverse does not exist.
d. It is a square matrix.
QUESTION 4
1 points
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Let B=
5-2
1 3
then det(B)=
a. 19 b. 13 c. 17 d. 15
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