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Math Help - Differential Equations

  1. #1
    Newbie
    Joined
    Jan 2009
    Posts
    4

    Differential Equations

    Dear all,

    I am currently stuck at this question and require your help.

    The variable x and r are defined as
    x = r cos @ and y = r sin @

    Question (a): Explain what is meant by Differential Equations-equation2.jpg and Differential Equations-equation3.jpg
    Question(b): Determine the values of Click image for larger version. 

Name:	equation2.JPG 
Views:	32 
Size:	1.5 KB 
ID:	9879
    Question(c): Determine the values of Click image for larger version. 

Name:	equation3.JPG 
Views:	32 
Size:	1.4 KB 
ID:	9881 by eliminating @ in the expressions for x and y.
    Question(d): Determine the values of Click image for larger version. 

Name:	equation3.JPG 
Views:	32 
Size:	1.4 KB 
ID:	9881 by the method of function of a function
    Question(e): Determine the values of: Differential Equations-equation1.jpgusing method of (b) and (c)


    Thank you
    Last edited by HelpMath; January 27th 2009 at 11:13 PM.
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