Question # 1

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Commutative property of addition

Closure property of addition

Additive inverse

Associative property w.r.t. to addition

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In polar form of complex number r =

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The real number system contains.

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Positive Numbers

Negative numbers

Zero

(option a, b and c)

∀a,b ε R, ab = be is a

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplicative identity

The additive inverse of 1 is

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1

-1

0

Does not exist

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 order axioms are satisfied by set of

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C

C and R

R

None of these

Zero is

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An irrational number

A rational number

A negative integer

A positive number

In R, the additive identity is

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0

1

-1

None

3.5+5.4=5.4+3.5 =8.9 this property of addition is called

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additive identity

assoclative property

commulative property

closure property

If z₁= 2 + 6i and z₂= 3 + 7i, then which expression defines the product of z₁and z₂?

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36 + (-32)i

-36 + 32i

6 + (-11)1

0, +(-12)i

i¹⁰¹=

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i

i²

-i

-1

If z₁ = 1 + 2i, z₂ = 3 + 4i then

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z₁ > z₂

z₁ = z₂

z₁ < z₂

None of these

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

The set of rational number is represented by

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W

R

Q'

Q

(a,0) x (c,0) =

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(0,ac)

(ac,0)

(0,0)

(a,c)

The multiplicative inverse of 4 is

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-4

-1/4

1/4

1

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

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0

1

-1

None of these

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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Associate law of addition

Commutative law of addition

Additive identity

Closure law of addition

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplication identity

∀ a ε R ∃ o ε R such that a + v = 0 + a = a is property of

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Commutative law of addition

Associative law of addition

Additive identity

Additive inverse

0.25 is ______

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An irrational number

A natural number

A prime number

A rational number

In R the number of identity elements w.r.t.'.' is

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One

Two

Three

Four

Which of the following sets has closure property w.r.t. addition

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{ 0 }

{ 1 }

{ 0, -1}

{ 1, -1}

i³=

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-1

i

-i

1

i¹⁰¹ =

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i

i²

-i

-1

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