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 .
1) Prove that if then
2)If f=F(x,y) and , prove that and that
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 .
1) Prove that if then
2)If f=F(x,y) and , prove that and that