I'm not quite sure how this partial d/dx should look(adsbygoogle = window.adsbygoogle || []).push({});

(x + y) / sqr root(x^2 + y^2)

Is it (-2)(1/2x)(x+y)/((x^2 +y^2)^3/2) ??

Please help!

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Partial defferentiation

**Physics Forums | Science Articles, Homework Help, Discussion**