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fullonoob

fail engrish? unpossible!
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I know this sound so simple, but I've never had to find the roots (apart for square) for something in cartesian form. I've always done it either just as a real number of just as an imaginary number.

Find the five-fifth roots of

and I'm tryna finish all my complex work tonight and I've got like 5 questions out of 153 I can't do
Hmm thats the exact same question i had in my exam O_O
 

cyl123

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I assume the denominator is 1-ik

Let ABC be the triangle with A,B,C being complex numbers u,v and that fraction (sorry cbf typing it)
To show that it is right angled, try showing vector AC=ki*(vector BC)
ie. try u-(the fraction) and v-(the fraction), simplify and see what you get
 

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