Question # 1

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If z₁ = (a,b), z₂=(c,d), then z₁ z₂ = -------------------

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(ac,bd)

(ac+bd, ad-bc)

(ac-bd , ad+bc)

(ac-bd , ad-bc)

The additive inverse of 0 is

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1

-1

0

Does not exist

If Z = (1,2), then Z^-1 =?

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(0.2, 0.4)

(-0.2 ,0.4)

(0.2,-0.4)

(-0.2,-0.4)

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Additive property of inequality

Commutative property

Additive inverse

Additive identity

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If ∀a,b ε R,then a +b ε R is a property

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Closure law of addition

Associative law of addition

Additive inverse

Additive identity

O is ______

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A positive integer

A negative integer

A natural number

An integer

Additive inverse of - a - b is

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a

-a + b

a - b

a + b

Every whole number is

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A real number

An irrational number

A prime number

A negative integer

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A complex number

A rational number

A natural number

An irrational number

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If a > b or a < b than a = b is a

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Additive property

Transitive property

Trichotomy property of inequality

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The value of i⁴ⁿ⁺¹

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1

-1

i

i²

Every irrational number is

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A real number

A prime number

A natural number

An integer

What is the conjugate of -6 -i?

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-6 +i

6+i

-6 -i

6 -i

If A = {x / x ∈ R ∧ x² - 16 = 0} then A =

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- x

Infinite set

Φ

{-4,4}

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real part of z

imaginary part of z

conjugate of z

modulus of z

a >b ⇒a +c >b +c is known as

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

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None of these

2.333....is a

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Irrational no

Complex no

Rational no

None of these

The set { 1 , -1} is closed w.r.t.

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Addition

Multiplications

Subtraction

None of these

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

√-1 b=

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b

2

2b

None of these

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The additive identity of real number is

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1

2

1/2

0

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If a set S contains n elements then P (S) has ........ number of elements

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2ⁿ

2ⁿ²

2.n

n²

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