Ive got Imageshack - dxdy.jpg for the first two questions. Are they correct? I dont know how to do the 3rd and 4th parts. also is the denominator corect?
Hey I am stuck on a question, could someone help me out please
the q is in the link
Imageshack - matht.jpg
Best wishes
Ive got Imageshack - dxdy.jpg for the first two questions. Are they correct? I dont know how to do the 3rd and 4th parts. also is the denominator corect?
here is the q again- bigger
Imageshack - 33487851.jpg
For the first two questions I got - Imageshack - dxdy.jpg
for the 3rd part I've multiplied the answer to the first part by 2(x-y)^1/2. Then I differatiated to get upto here so far Imageshack - 53381968.jpg. Im not sure if Im correct could you possibly check please?