Question # 1

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ab-cd

ac-bd

bc-ad

ad-bc

Inverse of identity matrix is _______ matrix:

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A

O

A^-1

Identity

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Square

Row

Column

Rectangular

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3-by-2

2-by-3

1-by-3

3-by-1

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6

3

-3

-6

(AB)^t=

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A^tB^t

B^tA^t

AB

BA

The entries presented in horizontal way are called ______

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Columns

Diagonals

Rows

Order

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Associative

Distributive

Commutative

None

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ad + cb = 0

ad = -bc

ad = bc

ab = cd

General form of linear equation in two variables is:

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ax + by -m = 0

ax + by = m

ax + m = by

None of these

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Which is order of square matrix:

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2-by-2

1-by-2

2-by-1

3-by-2

Transpose of row matrix is called ______ matrix:

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Identity

Row

Square

Column

The entries presented in vertical way are called _______

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Columns

Diagonals

Row

Order

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

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