# Differential Equations : Separation of Variables, Solve by Substitution and Integrating Factor

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1. Please see the attached file for the fully formatted problems.

a) Use separation of variables to solve

b) Solve the following exact differential equation

c) By means of substitution y=vx solve the differential equation

d) By means of the substitution for approipriate values of and , solve the differential equation

e) By means of the substitution , solve the differential equation

f) Find an integrating factor for the following differential equation and hence solve it

g) By means fo the substitution for a suitable value of , reduce the differential equation to and hence solve the original equation.

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##### Solution Summary

Differential Equations are solved by Separation of Variables, Solve by Substitution and Integrating Factor. The solution is detailed and well presented.

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