Comments on: UCT MAM1000 lecture notes part 28 – complex numbers part vi http://www.mathemafrica.org/?p=11369 All about maths in Africa Tue, 31 May 2016 09:04:04 +0000 hourly 1 https://wordpress.org/?v=4.4.2 By: Jonathan Shock http://www.mathemafrica.org/?p=11369#comment-319 Sun, 06 Sep 2015 15:35:57 +0000 http://www.mathemafrica.org/?p=11369#comment-319 Hi Grant, indeed it should be \sqrt{1^2+1^2} as you rightly point out. Many thanks,

J

]]> By: grant wilson http://www.mathemafrica.org/?p=11369#comment-318 Sun, 06 Sep 2015 11:22:26 +0000 http://www.mathemafrica.org/?p=11369#comment-318 We know that the modulus of 1+i is \sqrt{1^2+i^2}=\sqrt{2}, and the argument is \arctan \left(\frac{1}{1}\right)+2n\pi with n\in {\mathbb Z}. Thus, we can write our equation as..

isnt the statement suppose to read “We know that the modulus of 1+i is \sqrt{a^2+b^2}=\sqrt{2}” not ” \sqrt{1^2+i^2}=\sqrt{2}” as this would give us 0 and not \sqrt{2}.

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