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Math

posted by on .

We have to simplify complex numbers and I was wondering whether I did these problems correctly.

1. 4i^2-2i^3 = -4+2i
2. (-i)^3 = i
3. (the square root of a -2)^6= -8
4.1/(2i)^3 = i/8

  • Math - ,

    1. right
    2. right
    3. [sqrt(-2)]^6 = -8 yes if that is the question
    4. right

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