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Complex Numbers...

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  • Question 1
    2 / -0.83

    The value of  (-1 + √-3)2 + (-1 - √-3)2 is

  • Question 2
    2 / -0.83

    If  α is a complex a number such that  α2 +α+1 = 0 then  α31 is

  • Question 3
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  • Question 4
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    If n is any integer, then  in is

  • Question 5
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    The points z = x + iy which satisfy the equation  | z | = 1 lie on

  • Question 6
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    The equation z2 = 

  • Question 7
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    The points of the complex plane given by the condition arg. (z) = (2n + 1) π, n  ∈ I lie on

  • Question 8
    2 / -0.83

    If z = x + yi ; x ,y  ∈ R, then locus of the equation , where c  ∈R and b  ∈ C, b  ≠ 0 are fixed, is

  • Question 9
    2 / -0.83

    The complex number z which satisfies   lies on

  • Question 10
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    (1+i)2n  + (1 −i)2n ,n ∈N is

  • Question 11
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  • Question 12
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    then z69 is equal to :

  • Question 13
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    If  ω is a cube root of unity, then the linear factors of  x3 +y3 in complex numbers are

  • Question 14
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     can be expressed as

  • Question 15
    2 / -0.83

    If  α,βare non-real cube roots of unity then  αβ+ α5 +β5  equals

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