Needs improvement and more

Needs improvement and more

The hint should give BOTH differentiation formulas and we should have two solutions using either definition.

CarmenBruni (talk)14:10, 8 May 2015

Agree, please have a look at the new versions. Would it be good to add a check with the quotient rule?

Bernhard Konrad (talk)06:20, 20 May 2015