use the first principle to obtain the differencial coefficient

Question

use the first principle to obtain the differencial coefficient
y=1/(2x-1)

Shalee ^~^ · Answer

Try WolframAlpha :p It's a free and really helpful math site :) It should help you w / this question

collins · Answer

how do i get into dat site u recommended

Ms. Sue · Answer

http://www.wolframalpha.com/

Shalee ^~^ · Answer

thank's Ms. Sue- I'm having trouble posting links ://

Ms. Sue · Answer

I know. Only a few of us tutors can post links.

Steve · Answer

not even sure what a "differencial coefficient" is Do you mean to find the derivative, using the definition as a limit?