Is it true that `x= e^(log x)` for all real x?

int e^(-log x) dx =

The f(x) is such that f(x+y) = f(x) + f(y) , for all reals x and y xx then f(0) =

int e^(log(tan x) dx =

If y=e^(log x) , show that dy/dx=1

The negation of the statement ''for all real numbers x and y, x+y=y+x'' is

int e^(x log a).e^(x) dx =

If x is a positive real number different from 1 such that log_a x, log_b x, log_c x are in A.P then

There exists a positive number k such that log_2x+ log_4x+ log_8x= log_kx , for all positive real no x. If k= a^(1/b) where (a,b) epsilon N, the smallest possible value of (a+b)= (c)