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Comples number transformations Watch

    • Thread Starter

    Here's the question

    Name:  photo(36).JPG
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Size:  337.2 KB

    Here's my attempt

    Name:  photo(37).JPG
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Size:  311.6 KB

    If z is in imaginary axis, that's x=0, so if I take the bits I have highlighted in red, and set them to zero ... looks like a circle to me not a line?

    I must be doing something really stupid?
    • Thread Starter

    ... ok spotted problem !!
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