Asked by collins

use the first principle to obtain the differencial coefficient
y=1/(2x-1)
Answered by Shalee ^~^
Try WolframAlpha :p

It's a free and really helpful math site :)

It should help you w / this question
Answered by collins
how do i get into dat site u recommended
Answered by Ms. Sue
http://www.wolframalpha.com/
Answered by Shalee ^~^
thank's Ms. Sue- I'm having trouble posting links ://
Answered by Ms. Sue
I know. Only a few of us tutors can post links.
Answered by Steve
not even sure what a "differencial coefficient" is

Do you mean to find the derivative, using the definition as a limit?
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