Question #f3d4d

1 Answer
Mar 21, 2017

See below.

Explanation:

Calling y = y_1+y_2 with

y_1=(logx)^x

and

y_2=(sin^-x)^sinx

we have

logy_1=x log(logx) and

(dy_1)/(y_1) = log(logx)dx + dx/log(x) and

(dy_1)/(dx)=y_1(log(log(x))+1/log(x))=(logx)^x(log(log(x))+1/log(x))

The same procedure for y_2

log(y_2)=sinx log(sin^-1 x) then

(dy_2)/(dx)=y_2(cosxlog(sin^-1x)+(sinx)/(log(sin^-1x)sqrt(1-x^2)))

or

(dy_2)/(dx)=(sin^-x)^sinx(cosxlog(sin^-1x)+(sinx)/(log(sin^-1x)sqrt(1-x^2)))

and after that

(dy)/(dx)=(dy_1)/(dx)+(dy_2)/(dx)