Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Question 24 (15 marks) From the fundamental theorem of algebra that we proved in class, it can be shown that ifza,...,zn_1 are the I: (not
Question 24 (15 marks) From the fundamental theorem of algebra that we proved in class, it can be shown that ifza,...,zn_1 are the I: (not necessarilyr distinct] complex solutions to th- 2 z" + n_12\"'1 +an_2Z\"_ + ---+c1z+ co = El, 2" + on_1z\"_1 + en_2z"_2 + ---+ alz + on. = (z 20H: - 21} - - - [z - 2,1-1). [a] Find all 4 distinct complex solutions to the following equation: ('3) (c) z'+16=0. Denote by z.) and 21, respectively, the solution lying in the rst quadrant and the seoond quadrant. Denote the remaining 2 distinct solutions by 22 and 23. Let W) = 24:16' foIEz) = m Ma) = W Show that m) =1\") = foil). 2 _ 31 z - 30 For nn:,r real number R > 4, denote the circular arc from [13.0) to (-R. U) by 'm and denote the line from (-R.0) to [R.0) by 1'. Thus, LR starts where TR ends. We let 13L}; to denote the curve obtained by following We to its end and than continuing on L3 to its entt Thus, 73L}: is a closed (piecewise) C?1 come. See part (c} of Proposition 4.6 on P3. 57 of your textbook. You may make use of this Proposition too. Let C.) and Cl denote circles centered at In and 21, respectively, both traversed counter-clockwise Use the deformation theorem and part (b) to explain why / f(z)dz = M2) dz+ 11(2) dz. \"ml-R cc 2'. - .20 O; z _ :1
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started