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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 19

  • question_answer
    If \[\left| z \right|=1\]and arg \[\arg (z)=\frac{\pi }{4},\] then principal argument of \[({{z}^{5}}-iz)\] is ______. [Take \[\pi =3.14\]]

    Answer:

    -1.57


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