" 4."(1)/(x log x)

lim_ (x rarr1) [tan ((pi) / (4) + log x)] ^ ((1) / (log x))

If n in N, prove that 1/(log_2x)+1/(log_3x)+1/(log_4x)++(1)/(log_n x)=1/(log_(n !)x)

int x^(4)(1+ log x) dx =

lim_ (x rarr (pi) / (4)) (1+ [x]) ^ ((1) / (log tan x))

int x^(4)(1+log x)dx

Integrate w.r.t x,x log x(A)(1)/(4)x^(2)log((x^(2))/(e))+k(B)(1)/(2)x^(2)log((x^(2))/(e))+k (C) (1)/(4)x^(2)log((x)/(e))+k(D) NONE

prove that int(1)/(x(x^(4)+1))dx=(1)/(4)log((x^(4))/(x^(4)+1))+c

Let P=(5)/((1)/(log_(2)x)+(1)/(log_(3)x)+(1)/(log_(4)x)+(1)/(log_(5)x))and (120)^(P)=32 , then the value of x be :

Let P=(5)/((1)/(log_(2)x)+(1)/(log_(3)x)+(1)/(log_(4)x)+(1)/(log_(5)x))and (120)^(P)=32 , then the value of x be :

Find the domain of the functions f(x) = (1)/(sqrt( 4x^(2)-1)) +log _e (x(x^(2) -1))