Question # 1

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The identity element with respect to subtraction is

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0

-1

0 and 1

None of thes

(a +bi) -c (c +di) =

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(a +b) = (c +d)

(a +c) + i(b +d)

(a -c) + (c -d)i

(a -c) +(b -d) i

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a = a

a < a

a > a

a²= a

The value of x and y when (x + iy)2 = 5 - 4i

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x = 2, y = -1

x = -2, y = 1

x = 2, y = -i

x = 2, y = 2

If a and b are real numbers then a+b is also real number this law is called

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associative law of addition

closure law of addition

Distributive law of addition

Commutative law of addition

The property used in -3 <-2 ⇒0 <1

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Commutative property

Additive property of inequality

Additive inverse

Additive identity

If Z₁= 1 + i, Z₂= 2+3i, then |Z₂- Z₁| = ?

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1

3

2-i

-1

For each real number, there is a number which is its

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Negative

Possitive

Opposite

Similar

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

(a, b) + (-a, -b) =

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(0,0)

(a, b)

(-a, -b)

(1, 1)

The set of positive integers, 0 and negative integers is known as the set of

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Natural numbers

Rational numbers

All integers

Irrational numbers

If in a set of real no a is multiplicative identity then

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a,a = a²

a,a = 1

a,a = 0

None of these

If 0 = R, thenthe additive inverse of a is

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1/9

^1/-9

a

-a

The set {1,2,3,4......} is called

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Set of natural numbers

Set of whole numbers

Set of rational number

Set of irrational numbers

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A rational number

An irrational number

An odd number

A prime number

If P is a whole number greater than 1, which has only P and I are factors. Then P is called

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Wholw number

Prime number

Even number

Odd number

If z₁ =√-36 ,z₂ =√-25,z3 =√-16 then

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15

15i

-15i

-15

In R, the additive identity is

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0

1

-1

None

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i⁹ =

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i²

-1

1

i

The additive inverse of 0 is

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1

-1

0

Does not exist

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Commutative law of addition

Associative law of addition

Additive identity

Additive inverse

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A rational number

A natural number

An irrational number

An integer

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i² =

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1

2

-1

0

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Additive property in R

Multiplication property in R

Cancellation property in R

Distribution property in R

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