Question

What is the derivative of 1/x? Is it -2?

Answer 1

-1/x^2
Where did you get -2 from xD

Answer 2

1/x =\[x ^{-1}\] = \[x ^{-1-1}\] = \[x ^{-2}\]? lol

Answer 3

http://www.wolframalpha.com/input/?i=1%2Fx

Answer 4

And the way your doing it looks wrong already (:

Answer 5

I kind of get it, but where did they negative sign come from? lol

Answer 6

Well , 1/x =x^-1

Answer 7

*the

Answer 8

Do you know how to do it now ?

Answer 9

Yeah, It's confusing using the short cut so I found it with the difference quotient, and the answer is the same.

Answer 10

1/x =x^-1 ===> d/dx=-x^-2 = -1/x^2