-x+Vx + y dy The Differential Equation dx describes the shape of a plane y curve C that will reflect all incoming light beams to the same point and could be a model for the mirror of a reflecting telescope, a satellite antenna or a solar collector. i. Verify that the DE is homogeneous. Show that the substitution y = ux udu dx yields

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.CR: Chapter 11 Review
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Course : Differential Equations

x + y
dy
The Differential Equation
-x+
describes the shape of a plane
dx
y
curve C that will reflect all incoming light beams to the same point and could be
a model for the mirror of a reflecting telescope, a satellite antenna or a solar
collector.
i. Verify that the DE is homogeneous. Show that the substitution y = ux
udu
dx
yields
Vi+u (1-V1+u²
ii.
Show that the given DE can also be solved by means of the substitution
u = x² + y° .
Transcribed Image Text:x + y dy The Differential Equation -x+ describes the shape of a plane dx y curve C that will reflect all incoming light beams to the same point and could be a model for the mirror of a reflecting telescope, a satellite antenna or a solar collector. i. Verify that the DE is homogeneous. Show that the substitution y = ux udu dx yields Vi+u (1-V1+u² ii. Show that the given DE can also be solved by means of the substitution u = x² + y° .
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