find dz, calculus question?

0 ⤊

find dz, calculus question?

given:
z=x/(1+y^2)
find dz

i'm drawing a total blank, since this is an assigned homework problem for p-chem and i don't have a calculus book handy.
My mind's working a little slooow today.
thnx

2006-10-01 11:17:28 · 2 answers · asked by Anonymous in Education & Reference ➔ Higher Education (University +)

well, ya that's what was confusing me...but no, all the problem asks for is what I wrote....

2006-10-01 11:32:53 · update #1

2 answers

dz usually stands for the derivitive of z.
(I don't have your book so I can't be sure)

2006-10-01 11:26:18 · answer #1 · answered by merfie 2 · 0⤊ 0⤋

dz in respect to what? X or Y? it should be find dz/dx or dz/dy not just find dz.

dz/dx= 1/(1+y^2)

dz/dy= -2xy/(1+y^2)^2.

2006-10-01 18:25:38 · answer #2 · answered by th1a90 3 · 0⤊ 0⤋