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Jan
3
comment correct combination of differentiation rules
This was what I was thinking. However, because of the product rule I thought I had to actually calculate the part-functions first, i.e. the derivatives of $a(x)=\sin x$, $b(x)=eˆx$ and $c(x)=xˆ3$ (with $v(x)=a(x)+b(x)$). If that is not necessary, then @dirk5959's answer (using simply the quotient-rule) is of course correct and evident!
Jan
3
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Jan
3
asked correct combination of differentiation rules