Question # 1

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40

-40

26

-26

The additive inverse of a matrix A is:

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A

A^-1

- A

A²

If A is a square matrix, then A - A^t is:

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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)

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

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9

-9

-6

none

If A is a square matrix order 3 × 3 the |kA| equals:

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k |A|

k²|A|

k³ |A|

k⁴ |A|

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25

20

40

2a + 2b + 2c

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3

-3

1/3

-1/3

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ab - cd = 0

ac - bd = 0

ad - bc = 1

ad - bc = 0

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diagonal matrix

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1

-5

-1

none

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zero

non-singular

singular

none of these

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11th Class ICS Mathematics Chapter 3 Test Online MCQs With Answers

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