Let H = H4 U H, be the class of "positive" and "negative" circles in R² (the "negative" circles are negative inside and positive outside). Prove that dyc(H) 2 4.
Let H = H4 U H, be the class of "positive" and "negative" circles in R² (the "negative" circles are negative inside and positive outside). Prove that dyc(H) 2 4.
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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Transcribed Image Text:7. Let H = H+ U H- be the class of "positive" and "negative" circles in R²
(the "negative" circles are negative inside and positive outside). Prove that
dyc(H) > 4.
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