21. Use the substitution r = √√x² + y2 to show that sin √x² + y² +y² = 1. lim (x,y)-(0,0) (Hint: You will need to use L'Hôpital's Rule for single-variable limits.)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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段階的に解決し、 人工知能を使用せず、 優れた仕事を行います
ご支援ありがとうございました
SOLVE STEP BY STEP IN DIGITAL FORMAT
DONT USE CHATGPT
21. Use the substitution r = √√x² + y2 to show that
sin √√x² + y²
lim
(x,y)-(0,0) x² + y²
(Hint: You will need to use L'Hôpital's Rule for single-variable limits.)
=1.
Transcribed Image Text:段階的に解決し、 人工知能を使用せず、 優れた仕事を行います ご支援ありがとうございました SOLVE STEP BY STEP IN DIGITAL FORMAT DONT USE CHATGPT 21. Use the substitution r = √√x² + y2 to show that sin √√x² + y² lim (x,y)-(0,0) x² + y² (Hint: You will need to use L'Hôpital's Rule for single-variable limits.) =1.
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