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Test 2 / Re: possible typo on 2020 Question 3 Morning sitting
« on: October 28, 2020, 03:16:48 PM »
Me too, I also got that. And I think there is also typo on this question part (b)
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Chapter 1 / Re: Question 3 Chapter 1.4
« on: October 02, 2020, 04:37:09 PM »
|zn| = |n(i/2)n| \leq |n/2n|, Because i1 = i, i2 = -1, i3 = -i, i4 = 1 ...
From MAT137, we learned that |n/2n| goes to 0 as n goes to infinity. Thus, zn is converge sequence.
From MAT137, we learned that |n/2n| goes to 0 as n goes to infinity. Thus, zn is converge sequence.
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Chapter 1 / What is the meaning of complex number
« on: October 02, 2020, 04:19:41 PM »
Based on my understanding, what we learned till now is all using the real-number method to solve questions. What is the meaning of studying complex numbers? 
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