Generalizing to an arbitrary function.  TOPIC_SOLVED

Limits, differentiation, related rates, integration, trig integrals, etc.

Generalizing to an arbitrary function.

Postby sepoto on Fri Oct 25, 2013 10:57 pm




























. . . . .









In the two above snippets I am wondering how "b)" was arrived at. In the question both parts of the equation show a plus and at "b)" one of the signs has changed to a minus symbol. I'm really not sure what is meant by generalizing to an arbitrary function as I am being asked to do.

Thanks in advance...

original images:
https://skydrive.live.com/redir?resid=D ... gpF0ko&v=3
https://skydrive.live.com/redir?resid=D ... yVVJws&v=3
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Re: Generalizing to an arbitrary function.  TOPIC_SOLVED

Postby anonmeans on Sat Oct 26, 2013 12:31 am

I'd guess it's just a typo. The formula doesn't make sense without the "-", but it does make sense and it does work the other way.
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