Question # 1

Aurther Cayley introduces theory of matrices in:

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1854

1856

1858

1860

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3-by-2

2-by-3

1-by-3

3-by-1

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a = -4, b = 7

a = 7, b = -4

a = 1, b = 3

Cannot be determine

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zero

unit

scalar

singular

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

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AB

A(CB)

(AB)C

None

The entries presented in horizontal way are called ______

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Columns

Diagonals

Rows

Order

M^-1=

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-M

AdjM

If B+A=A=A+B, the B is called:

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Multiplicative identity

Multiplicative inverse

Additive identity

Additive inverse

The matrices are denoted by _________ letters of English alphabet:

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Small

Capital

Both a and b

None

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[8 2]

Product is not possible

AA^-1 = _________:

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A

A^-1

I

0

Let A,B,C be three matrices, then A(B+C) = AB + AC is known as:

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Cumulative property w.r.to '+'

Associative property w.r.t '+'

Left distributive law

Right distributive law

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1-by-3

3-by-1

3-by-3

2-by-2

(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

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

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