Question

anyone familiar with the chain rule?

Answer 1

yep

Answer 2

think of it more like a box of gears really.

if 4 gears are meshed together, and you turn the first one of them, the others turn based on their relation to the first

Answer 3

dy dy dc dr dk
-- = -- -- -- -- is the chain rule
dx dc dr dk dx

Answer 4

y is affected by x; is x works its way thru "k", "r" ,and "c".

Answer 5

using an example: g(x)=1/ 1+x^2

Answer 6

lets say u = 1+x^2; du = 2x

the g(u) = 1/u; g'(u) = -1/u^2 *du:

-1/u^2 * 2x

-2x
---------- = g'(x)
(1+x^2)^2

Answer 7

am totally lost