Can you answer C?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Can you answer C?
Problem 2:
Short Answer
Directions: Answer the questions below and explain your responses. Correct responses with little to no reasoning
or explanations that rely on technology will earn no credit. Correct responses with incomplete explanations will not
receive full credit.
Evaluate see (z) tan(x) dr.
А.
(-1)k+1 . 2k
В.
For this problem, you may use the fact that the Taylor series for In(1 + 2x²) is
i.
Approximate In(1.8) by using the fourth order Taylor polynomial for In(1+ 2r²) centered at r = 0.
Explain whether you think the 24-th order Taylor polynomial would give a better or worse
ii.
approximation for In(1.8) than the fourth order polynomial. Your explanation should reference facts about
Taylor series; you may not simply calculate In(1.8) and both approximations.
r²y – y?
C.
Morgan, Avery, and Taylor are asked to evaluate the limit
lim
(z.v)=(2,4) r - y2
r²y – y? _ 0
(z.y)=(2,4) xª - y²
• Morgan writes lim
Based on this, Morgan concludes that the limit does not exist.
r²y – y? _ 0 – y²
, *y – y?_ 0 –0
rª – y?
• Avery notes that along a = 0,
= 1 and that along y= 0,
- 0. Avery
%3D
1ª – y?
0 – y?
concludes that the limit does not exist.
r*y – y?
4 – y?
concludes that the limit exists and is equal to 1.
mr³ – m²x²
r4 – m²x²
mr - m2
%3D
r2 - m2 and as r 0,
mr - m?
r² – m²
• Taylor notes that along y = mr,
+ 1. Taylor
%3!
² – m²
Determine which students, if any, provided a correct response. If a student did not provide a correct response,
make sure to explain what error (or errors) they made. If none of the students are correct, calculate the limit
correctly, or explain why it does not exist.
Transcribed Image Text:Problem 2: Short Answer Directions: Answer the questions below and explain your responses. Correct responses with little to no reasoning or explanations that rely on technology will earn no credit. Correct responses with incomplete explanations will not receive full credit. Evaluate see (z) tan(x) dr. А. (-1)k+1 . 2k В. For this problem, you may use the fact that the Taylor series for In(1 + 2x²) is i. Approximate In(1.8) by using the fourth order Taylor polynomial for In(1+ 2r²) centered at r = 0. Explain whether you think the 24-th order Taylor polynomial would give a better or worse ii. approximation for In(1.8) than the fourth order polynomial. Your explanation should reference facts about Taylor series; you may not simply calculate In(1.8) and both approximations. r²y – y? C. Morgan, Avery, and Taylor are asked to evaluate the limit lim (z.v)=(2,4) r - y2 r²y – y? _ 0 (z.y)=(2,4) xª - y² • Morgan writes lim Based on this, Morgan concludes that the limit does not exist. r²y – y? _ 0 – y² , *y – y?_ 0 –0 rª – y? • Avery notes that along a = 0, = 1 and that along y= 0, - 0. Avery %3D 1ª – y? 0 – y? concludes that the limit does not exist. r*y – y? 4 – y? concludes that the limit exists and is equal to 1. mr³ – m²x² r4 – m²x² mr - m2 %3D r2 - m2 and as r 0, mr - m? r² – m² • Taylor notes that along y = mr, + 1. Taylor %3! ² – m² Determine which students, if any, provided a correct response. If a student did not provide a correct response, make sure to explain what error (or errors) they made. If none of the students are correct, calculate the limit correctly, or explain why it does not exist.
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