what type of questions do u apply dy/dx * dx/dy =1 in Log and Exponential Functions. (1 Viewer)

[chrishello08]

what type of questions do u apply dy/dx * dx/dy =1 in Log and Exponential Functions.

 

[Trebla]

Re: what type of questions do u apply dy/dx * dx/dy =1 in Log and Exponential Functio

Usually if you have an inverse function:
e.g. a simple case
y = ln x => x = e^y
dx/dy = e^y
dy/dx = 1/e^y
= 1/x

 

[chrishello08]

Re: what type of questions do u apply dy/dx * dx/dy =1 in Log and Exponential Functio

thanks trebla would u know any set of exercises from a 3u textbook or 2u where this technique needs to be employed

 

[Aerath]

Re: what type of questions do u apply dy/dx * dx/dy =1 in Log and Exponential Functio

Any textbook has exponential/logarithmic functions. Fitzpatrick 2U Chapter 18 comes to mind.