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Higher maths question

  • 07-06-2006 8:54pm
    #1
    Closed Accounts Posts: 636 ✭✭✭


    ^-2i^ in the form +-(a+bi) where ^-2i^ mean the square root of minus 2 i


Comments

  • Registered Users, Registered Users 2 Posts: 1,389 ✭✭✭cianclarke


    Presuming this is what you're talking about, let it equal to a+ib. Then square both sides getting rid of the root on one side...
    Then let reals equal real, I's equal I's. I had to ask about this one myself a while back..


  • Closed Accounts Posts: 636 ✭✭✭NADA


    Holy ****. Why didn't I think of that. Me is going for A1. I knew it had to bed simple!


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