Derivative of f ( x ) = x 2 − 1 x I have the...
I have the function following:
And here is what I did:
And I'm pretty sure that this is wrong, and the answer book says it isn't either.
I think I messed up somewhere, or didn't do it properly.
I tried using the quotient rule. Do I need to make it into an exponent, and solve it as a chainrule?
Please help me find the steps and answer to this question. Thank you.
Or is there any other steps so it can match this?: