Question # 1

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integer

rationalnumber

irrationalnumber

naturalnumber

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additive property

multiplicative inverseproperty

transitive property

negative property

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i

0

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rationalnumber

irrationalnumber

naturalnumber

wholenumber

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x = 0, y = 0

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

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3 - 5i

3i - 5

7 - 9i

3 + 5i

If z = x + i y = r (cos Θ + i sin Θ), then arg z is:

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tan Θ

cos²Θ + sin²Θ

r

Θ

The set of negative integers is closed with respect to:

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addition

multiplication

both (a) and (b)

subtraction

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z is purely real

z is any complex number

z is purely imaginary

real part of z = imaginary part of z

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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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11th Class Part 1 Mathematics Chapter 1 Test Online MCQs With Answers

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