Question # 1

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Z + W

If Z = Z₂ and Z₂ = Z₃ then Z₁ = Z₃ this property is known as ______ property:

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Reflexive

Symmetric

Transitive

Commutative

In Z = a + bi, a is called ______ part of Z.

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Real

Imaginary

Whole

None

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Additive identity

Additive inverse

Multiplicative identiry

Multiplicative inverse

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5/4

4/5

-5/4

-4/5

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Transtitive

Multiplicative inverse

Multiplicative identity

None

There exists a unique real number 1, is called ________ in multiplication:

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Multiplicative inverse

Additive inverse

Multiplicative identity

Additive identity

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x

x⁷

x ^1/7

x^7/2

The conjugate of 6 + 5i.

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-6 + 5i

-6 - 5i

6 + 5i

6 - 5i

Identify the property used in x > y Or x = y Or x < y:

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Symmetric

Reflexive

Irichotomy

Transitive

Which of the following is closure property w.r.to multiplications:

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a + b∈ R∀ a, b∈ R

a. b∈ R∀ a, b∈ R

a + b = b + a∀a,b∈ R

a.b = b.a∀a,b∈ R

Real part of 2ab ( i + i²) is:

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2ab

-2ab

2abi

-2abi

∀ a,b∈ R, a + b = b + a is _____________ Property of real numbers.

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Closure property w.r.to '+'

Closure property w.r.to 'x'

Commutative property '+'

Commutative property w.r.to 'x'

Imaginary part of -i (3i+2) is:

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-2

2

3

-3

The value i¹⁰

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1

-1

i

-i

If a, b∈R then only one oaf a = b or a<b or a>b holds is called:

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Trichotomy Property

Transitive Property

Additive Property

Multiplicative Property

Set of Rational numbers in set builder notation:

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None of these

If Z₁ = Z₂ then Z₂ = Z₁ this property is known as _______ property:

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Reflexive

Symmetric

Transitive

Closure

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Mathematics 9th Class English Medium Unit 2 Online Test MCQs With Answers

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