Question # 1

(AB)^t=

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A^tB^t

B^tA^t

AB

BA

Inverse of identity matrix is _______ matrix:

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A

O

A^-1

Identity

The matrix M = [2 -1 7] is called:

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Row matrix

Column matrix

Diagonal matrix

Zero matrix

The idea of matrices was given by

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Aurthur Cayley

Briggs

Al-Khawarzmi

Thomas Harriot

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-3

-4

3

4

A matrix is called column matrix if it has only one:

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Column

Row

Diagonal

None

If A, B and C are comfortable for multiplication then A(BC) =

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AB

A(CB)

(AB)C

None

Order of matrix P = [3 2 5] is:

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3-by-3

3-by-1

1-by-3

1-by-1

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Square

Row

Column

Rectangular

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M

O

-M

I

AA^-1 = _________:

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A

A^-1

I

0

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Mathematics 9th Class English Medium Unit 1 Online Test MCQs With Answers

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