Thread: Partial derivative..

Just wondering how exactly this works...

dy/dx . (partial derivative)df/dr

=

dy/dx . x/r


I'm assuming I use the chain rule..? if so what substitution do i need to make..and how does this work..?

Originally Posted by dankelly07

Just wondering how exactly this works...

dy/dx . (partial derivative)df/dr

=

dy/dx . x/r


I'm assuming I use the chain rule..? if so what substitution do i need to make..and how does this work..?

Clearly there is important background information to this question that you haven't included ....