Question

find the derivative: ln (x/x-1)

Answer 1

i think it is -1/(x-1)^2....... plz chk

Answer 2

the answer is 1/x(x-1)
i just need to know how to do it

Answer 3

-1/x(x-1) actually

Answer 4

-(1/(x-1)^2)

Answer 5

http://www.wolframalpha.com/widgets/view.jsp?id=96055f5b06bf9381ac43879351642cf5

just type in x/(x-1)

Answer 6

it has a "ln" in it too, not just the other part.

Answer 7

oops i didnt see that ln derivative of ln is 1/x now calculate using chain rule if you have learnt it

Answer 8

oh i didnt see that ! then it would be (1/(x-x^2))