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Hello! This is the last problem of the night (I promise!). Will someone please help me with the following problem; if I could use the quotient rule I wouldn't have had any problems, but here is the question:
Find the derivative of
using the definition of derivative.
State the domain of the function and the domain of its derivative.
When I worked it out, this was what I got:
But the answer I got using Mathway.com was:
I could DEFINITELY use some help. Where did I go wrong?