Self Studies

Complex Numbers...

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  • Question 1
    1 / -0

    2√-9,√−16, is equals to

  • Question 2
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    The expression (1 + i)2+ (1 - i)2n, n  N, is

  • Question 3
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    Which one of the following equations has the root a ± b?

  • Question 4
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    If w is the complex cube root of unity, then {(a + b w + c w2 )/(c + a w + b w2)} + {(c + a w + b w2 )/(a + bw + cw2)} + {(b + cw + aw2)/(b + cw + aw 2)} =

  • Question 5
    1 / -0

    If z1andz2 are non real complex numbers such that z1+z2andz1z2 are real numbers , then

  • Question 6
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    If (-1 + √ 3i)+ (-1 - √ 3i)= 2α, then α is equal to

  • Question 7
    1 / -0

    The smallest positive integer n for which (1+i/(1- i))=1 is

  • Question 8
    1 / -0

    If │z-12/z - 8i│= 5/3 and Re (z) = 6, then Im (z) =

  • Question 9
    1 / -0

    Amp ( -1 - i) is

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