Re: Finding third derivative

don't make it so hard on yourself ... on every iteration of a derivative, the derivative of (5x-1) becomes an additional factor

you don't need the product rule ...

Re: Finding third derivative

Sorry, I forgot what the rule is called

Which one is this

Re: Finding third derivative

Quote:

Originally Posted by

**skeeter** you don't need the product rule ...

Oh wow, the use of this basic rule was very clever. If I had thought of it it would've made this so much easier

Re: Finding third derivative

Quote:

Originally Posted by

**daigo** Sorry, I forgot what the rule is called

Which one is this

It is the product rule b/c you are taking the derivative of a product i.e f(x) times g(x)