Hi i've attempted a few problems from my textbook which i've understood but i've come across 2 questions which have completly got my confused, and wouldnt mind some assistance :p.

1) Prove that if then

2)If f=F(x,y) and , prove that and that

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- Feb 27th 2010, 01:45 PMKevlarPartial Derivative Questions
Hi i've attempted a few problems from my textbook which i've understood but i've come across 2 questions which have completly got my confused, and wouldnt mind some assistance :p.

1) Prove that if then

2)If f=F(x,y) and , prove that and that - Feb 27th 2010, 01:49 PMicemanfan
- Feb 27th 2010, 03:12 PMKevlar
thats what i was wondering but heres a hard copy of the question :\

http://i50.tinypic.com/2jg6mib.png