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Chapter 3 / Rouché's Theorem
« on: December 10, 2020, 09:44:20 PM »
For questions that have to apply Rouché's Theorem, do we need to discuss zeros on $\gamma$?
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Chapter 4 / Re: Variation of Parameter for higher order eqautions
« on: November 18, 2020, 09:34:38 PM »
I think your idea is correct and it's unmistakable to apply the same principle when solving higher order equations
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Chapter 2 / Re: Help for sec.2.6 12
« on: October 08, 2020, 09:48:33 PM »
Your answer is not wrong. But I think it's always better if we are able to simplify as much as possible.
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Chapter 1 / Re: How to solve the question on section 1.4 of the text book Page42
« on: October 08, 2020, 09:11:51 PM »
Hint: How do we illustrate $z \to \infty$ on a complex plane?
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Chapter 1 / Re: 1.2 circles
« on: September 24, 2020, 04:52:59 PM »
I think this depends on how you want to represent your solution. Both of them seems rational to me.
But $x$ does not necessarily to be $0$ since $p$ and $q$ are some arbitrary complex numbers.
But $x$ does not necessarily to be $0$ since $p$ and $q$ are some arbitrary complex numbers.
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Quiz 1 / Re: Quiz1-6101 A
« on: September 24, 2020, 04:19:59 PM »
Hi, there might be a typo in second line of your answer.
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