Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 10 - Differential Equations - Chapter Review - Review Exercises - Page 561: 18

Answer

$${\text{Separable}}$$

Work Step by Step

$$\eqalign{ & \frac{{dy}}{{dx}} + {y^2} = x{y^2} \cr & {\text{subtract }}{y^2}{\text{ from each side}} \cr & \frac{{dy}}{{dx}} = x{y^2} - {y^2} \cr & {\text{factor }}{y^2} \cr & \frac{{dy}}{{dx}} = {y^2}\left( {x - 1} \right) \cr & {\text{or}} \cr & \frac{{dy}}{{dx}} = \frac{{x - 1}}{{{y^{ - 2}}}} \cr & {\text{The equation can be written in the form }}\frac{{dy}}{{dx}} = \frac{{p\left( x \right)}}{{q\left( y \right)}},{\text{ then}} \cr & {\text{the given equation is separable}} \cr & \cr & \frac{{dy}}{{dx}} + {y^2} = x{y^2} \cr & {\text{divide by }}{y^2} \cr & \frac{1}{{{y^2}}}\frac{{dy}}{{dx}} + 1 = x \cr & {\text{The equation cannot be written in the form }}\frac{{dy}}{{dx}} + P\left( x \right)y = Q\left( x \right)\,\,\,\left( {{\text{linear form}}} \right), \cr & {\text{ then}}{\text{, the given equation is not linear}} \cr} $$
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