Question #1342e
1 Answer
Jan 11, 2018
Explanation:
#"differentiate using the "color(blue)"quotient rule"#
#"given "f(x)=(g(x))/(h(x))" then"#
#f'(x)=(h(x)g'(x)-g(x)h'(x))/(h(x))^2#
#g(x)=xrArrg'(x)=1#
#h(x)=x-1rArrh'(x)=1#
#rArrf'(x)=(x-1-x)/(x-1)^2=-1/(x-1)^2#