Question # 1

i² + 1 =

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-1

0

i

1

π is defined as:

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ration of diameter of a circle to its circumference

ration of the circumference of a circle to its diameter

ration of area of a circle to its circumference

ration of the circumference of a circle to its area

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If z₁ = 4i and z₂ = 3 - 9i, then z₁ + z₂ =

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3 - 5i

3i - 5

7 - 9i

3 + 5i

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rational number

irrational number

natural number

whole number

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x = 0

y = 0

x = 0 and y = 0

x = 0 or y = 0

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closure property w.r.t multiplication

commutativeproperty w.r.t multiplication

associativeproperty w.r.t multiplication

trichotomy property

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0

i

-i

1

Which of the following is correct:

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2 + 7i > 10 + i

1 + i > 1 - i

4 + 3i > 1 + 3i

none of these

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π, e are:

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integers

natural numbers

rationalnumbers

irrationalnumbers

The additive inverse of a real number is a:

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0

-a

a

The multiplicative identity of real numbers is:

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0

1

2

-1

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closureproperty

associativeproperty

commutativeproperty

trichotomyproperty

The set of all rational numbers between 2, 3 is:

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an empty set

an infinite set

a finite set

a power set

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Additive property

Multiplicativeproperty

Reflexiveproperty

Transitive property

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integer

rationalnumber

irrationalnumber

naturalnumber

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The multiplicative invers of a non-zero real number a is:

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0

-a

a

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integer

rational number

irrational number

natural number

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