here there are Exercises on Partial Derivatives: http://www.ualberta.ca/dept/math/gauss/fcm/calculus/multvrbl/basic/partl_drvtvs_exrcss/partl_dervtv_exrcss.htm [Broken](adsbygoogle = window.adsbygoogle || []).push({});

can comeone please solve the first two problems (for some reason i cant read the answers).

my answers:

1. 3(3xy-4y^2)^2(3x-8y)

2. y/(x+y)^2

thanks in advance.

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

Dismiss Notice

Join Physics Forums Today!

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

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

# Exercises on Partial Derivatives

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