anonymous
  • anonymous
Since the derivative of x^-1 is -x^-2, is it correct to then work it further to get the "best answer" as 1/-sqrt x and then rationalize the denominator by multiplying by 1 as in (1/-sqrt x) * (-Sqrt x/-Sqrt X) to get -Sqrt x / x ???
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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anonymous
  • anonymous
that probably depends on your teacher? Rationalizing it is certainly not incorrect.
anonymous
  • anonymous
My instructor counts off for math grammar I never heard of before.
anonymous
  • anonymous
ask him/her then to be sure. In my class I could leave it as x^-1

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anonymous
  • anonymous
This is my first negative exponent in a derivative. Wondering if it needs to be left as it comes out of the rule, or further refined to rationalized denominator form.
anonymous
  • anonymous
I've differentiated TWICE! Yeah!!!
anonymous
  • anonymous
In my textbook they leave it as a negative exponent, but that might be because of space considerations. Seriously, just ask your teacher.
anonymous
  • anonymous
Thanks!
anonymous
  • anonymous
and congratulations!!!

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