Tuesday, 29 November 2016

Find the general solution of the differential equation

To be able to evaluate the problem: , we express in a form of .


 To do this, we divide both sides by  .



The general solution of a differential equation in a form of can


 be evaluated using direct integration. We can denote y' as .


Then, 


 becomes 


This is the same as  


Apply direct integration on both sides:


For the left side, we have:

To be able to evaluate the problem: , we express in a form of .


 To do this, we divide both sides by  .



The general solution of a differential equation in a form of can


 be evaluated using direct integration. We can denote y' as .


Then, 


 becomes 


This is the same as  


Apply direct integration on both sides:


For the left side, we have:


 For the right side, we apply u-substitution using then or   .



Applying basic integration property: .



Applying Law of Exponents: and   :



                     


Applying the Power Rule for integration: .



                     


                     


                      


                     


Plug-in in  , we get:




Combining the results, we get the general solution for differential equation



 as:


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