1.

(a) Find the intervals in whichthe function f(x)=log(1+x)-x/(1+x) is (i) increasing, (ii) decreasing function. (b) Find the intervals in which the function f(x)= x/(log_(e) x),x gt 0 is increasing or decreasing.

Answer»


ANSWER :`(a)(i)[0,infty[""(ii)]-infty,0]-{-1}`
(b) Decreases in `]0,E]-{1}" and inceases in "[e, infty[`


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