Question # 1

[0] is a:

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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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5

-5

-4

4

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scalar matrix

diagonalmatrix

triangularmatrix

none of these

Minors and co-factors of the elements in a determinant are equal in magnitude but they may differ in:

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order

position

sign

symmetry

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If the matrices A & B have the orders 2×3 and 5×2 then order BA is:

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3×5

5×2

2×2

none

A^-1 exists if A is:

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singular

nonsingular

symmetric

none

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2

-2

5

-5

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scalarmatrix

diagonalmatrix

lower triangularmatrix

uppertriangularmatrix

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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ab - cd = 0

ac - bd = 0

ad - bc = 1

ad - bc = 0

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5

14

20

6

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Mathematics Fsc Part 1 Chapter 3 Online Test MCQs With Answers

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