anonymous
  • anonymous
How would I further simplify the following? \(\ \large (1)(r^2+1)^{-\frac{1}{2}}+r(-\frac{1}{2}(r^2+1))^{-\frac{3}{2}}\)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
get rid of the 1 for a start
anonymous
  • anonymous
Yup, just did that
anonymous
  • anonymous
i bet this is some sort of derivative from a produce rule maybe

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anonymous
  • anonymous
and you took literally the power rule maybe it would be best to write as \[\frac{1}{\sqrt{r^2+1}}+\frac{r}{2\sqrt{r+1}^3}\]
anonymous
  • anonymous
now if you want to add these up, multiply the first fraction top and bottom by \[2(r^2+1)\]
anonymous
  • anonymous
oh it was a subtraction, no matter works the same
anonymous
  • anonymous
@satellite73 Yup! It's from a product rule! Nice!

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