Contour Curves

[mathmari]

Hey!!!I need some help at this exercise:
Draw some contour curves in the (x, y)–plane of the function h(x,y)=(a*(x+y))/(x^2+y^2+a^2).
Thanks in advance!!!

 

[Deleted member 4993]

Hey!!!I need some help at this exercise:
Draw some contour curves in the (x, y)–plane of the function h(x,y)=(a*(x+y))/(x^2+y^2+a^2).
Thanks in advance!!!

Please share your work with us.

You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL:

http://www.freemathhelp.com/forum/th...217#post322217

We can help - we only help after you have shown your work - or ask a specific question (e.g. "are these correct?")

 

[mathmari]

I fixed

and the plot is:http://www3.wolframalpha.com/input/?i=(2*(x+y))/(x^2+y^2+2^2)&asynchronous=false&equal=Submit . How is the plot for any

??? I hope someone can help me...