Question # 1

The rectangular array of numbers enclosed by a pair of brackets is called:

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Determinants

Matrix

Set

Solution set

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[2x + y]

[x - 2y]

[2x - y]

[x + 2y]

A matrix is called a row matrix if it has only one _________:

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Column

Row

Diagonal

None

Let A and B be two matrices. Then A is said to be equal to B, and denoted by A = B if and only if:

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Order of A = Order of B

Corresponding entries are equal

Either a or b

Bot a and b

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9

-6

6

-9

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3-by-2

2-by-3

1-by-3

3-by-1

Transpose of A is denoted by:

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-A

A

A^t

(A^t)^t

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-3

-4

3

4

The idea of matrices was given by

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Aurthur Cayley

Briggs

Al-Khawarzmi

Thomas Harriot

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1-by-3

3-by-1

3-by-3

2-by-2

Transpose of row matrix is called ______ matrix:

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Identity

Row

Square

Column

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

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AB

A(CB)

(AB)C

None

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Square

Row

Column

Rectangular

The real numbers used in the formation of a matrix are called _______ of the matrix:

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Determinants

Matrix

Set

Element

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M

O

-M

I

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

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