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

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.