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Online Tests
Mathematics Fsc Part 1 Chapter 3 Online Test MCQs With Answers
Question # 1
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scalarmatrix
diagonalmatrix
lower triangularmatrix
uppertriangularmatrix
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Question # 2
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3×1
1×3
3×3
1×1
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Question # 3
For a square matrix A, |A| equals:
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A
t
|A
t
|
-|A
t
|
-A
t
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Question # 4
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5
14
20
6
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Question # 5
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diagonal matrix
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Question # 6
The trivial solution of the homogeneous linear equations is:
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(1, 0, 0)
(0, 1, 0)
(0, 0, 1)
(0, 0, 0)
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Question # 7
[0] is a:
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Question # 8
If each element of a 3 × 3 matrix A is multiplied by 3, then the determinant of the resulting matrix is:
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|A|
3
27|A|
3|A|
9|A|
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Question # 9
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Question # 10
If A = [aij] and B = [bij] are two matrices of same order r × s, then order of A - B is:
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r - s
r × s
r + s
none of these
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Question # 11
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40
-40
26
-26
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Question # 12
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diagonal matrix
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Question # 13
The additive inverse of a matrix A is:
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A
A
-1
- A
A
2
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