Multiple Choice Questions on What is the principal argument of ndash 1 ndash i where i ........ for NDA Exam Preparation

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Multiple Choice Questions

What is the principal argument of ndash 1 ndash i where i ........

Mathematics (NDA) Coordinate Geometry
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    What is the principal argument of (–1 – i), where i =\sqrt{-1} ?

    π / 4

    Incorrect Answer

    -π / 4

    Incorrect Answer

    -3π / 4

    Correct Answer

    3π / 4

    Incorrect Answer
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    Explanation:

    Arg(-1 -i) =– π + π / 4=-3π / 4

    By: Munesh Kumari
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