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  1. M

    induction question

    prove: 1 - 1/2 + 1/3 - 1/4 + 1/5 + ... + (-1)^n (1/n) is always positive
  2. M

    complex locus

    given Arg(z-1) = 2Arg(z), deduce locus of z is a circle part ii. find z in mod arg form if z also satisfies |z| = |z-1|
  3. M

    Equating argument of 2 complex equal complex numbers

    Ok thanks I’ve been getting mixed answers ( school marked it incorrect XC )
  4. M

    Equating argument of 2 complex equal complex numbers

    Hi guys quick question if I have cis x = cis y , can I say x = y + 2kpi (k is integer)
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