Question # 1

The entries presented in horizontal way are called ______

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Columns

Diagonals

Rows

Order

(AB)^t=

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A^tB^t

B^tA^t

AB

BA

(AB)^-1 = B^-1A^-1 is known as:

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Law of transpose of product

Law of multiplicative inverse

Distributive law

Law of inverse of the product

AA^-1 = _________:

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A

A^-1

I

0

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ab-cd

ac-bd

bc-ad

ad-bc

The entries presented in vertical way are called _______

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Columns

Diagonals

Row

Order

Aurther Cayley introduces theory of matrices in:

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1854

1856

1858

1860

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

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Column

Row

Diagonal

None

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3-by-2

2-by-3

1-by-3

3-by-1

(AB)^-1 =

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A^-1B^-1

AB

BA

B^-1A^-1

The product in matrices AB, the number of columns of A must be equal to number _______ of B.

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Columns

Entries

Rows

None of these

M^-1=

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-M

AdjM

The idea of matrices was given by:

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Leibniz

Cauchy

Arthur Cayley

Newton

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P = Q

P≠ Q

P < Q

P > Q

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3-by 2

2-by-3

1-by-3

3-by-1

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9th Class Mathematics Chapter 1 Matrices and Determinants English Medium KPK Boards Online Mcqs MCQs With Answers

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