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 3 years ago
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 ???
 3 years ago
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 ???

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junwagh
 3 years ago
Best ResponseYou've already chosen the best response.1that probably depends on your teacher? Rationalizing it is certainly not incorrect.

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0My instructor counts off for math grammar I never heard of before.

junwagh
 3 years ago
Best ResponseYou've already chosen the best response.1ask him/her then to be sure. In my class I could leave it as x^1

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0This 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.

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0I've differentiated TWICE! Yeah!!!

junwagh
 3 years ago
Best ResponseYou've already chosen the best response.1In my textbook they leave it as a negative exponent, but that might be because of space considerations. Seriously, just ask your teacher.
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